12″ USB-C® (A to C) cable, 2 Bose QuietComfort Ultra Earbuds (2nd Gen), Bose Fit Kit: 3 pairs of eartips (S, M, L) 3 pairs of stability bands (1, 2, 3), Safety sheet, Wireless Charging Case
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Customers say
Customers praise these earbuds for their sound quality with adjustable equalizer settings, excellent noise cancellation, and comfortable fit that accommodates different ear sizes. The earbuds receive positive feedback for their battery life, quick charging in the case, and customization options for modes and shortcuts. While connectivity is generally great, some customers report Bluetooth connectivity issues.
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8 reviews for Bose New QuietComfort Ultra Earbuds (2nd Gen) – Wireless Noise Cancelling Earbuds with Mic, Immersive Audio, USB-C Charging, Up to 6 Hours Battery, IPX4 Rating, Black
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FL Hart –
Phenomenal Sound
The Bose QuietComfort Ultra Earbuds are noticeably more comfortable, sound better, and offer more features than previous models. They look and feel like the premium product I expect from Bose. Multiple ear-tip options, including foam and silicone, help achieve a secure, personalized fit for different ear sizes. The noise cancellation is the best I’ve experienced, effectively blocking both low-frequency drone and mid-frequency city noise. The Bose app lets you tailor the experience with presets and custom options, from EQ adjustments to adjustable ANC levels. Sonically, the bass is punchy, the mids are clear, and the highs remain smooth; additional settings and controls in the app make it easy to fine-tune the sound. Call quality is solid, and connectivity is reliable with fast pairing. Battery life delivers about 5–6 hours with ANC on, and the case provides a couple of full charges plus convenient USB‑C fast charging (and wireless charging on compatible models). Overall, these are the best earbuds I’ve owned from Bose, or any competitor.
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NYY –
Bose Silence is Golden
Bose is out with its new QuietComfort Ultra Earbuds (2nd Gen) and they are a winning continuation of the QuietComfort Earbud line that was first introduced in 2020. The Gen 2 Ultras now come in four colors. In addition to the traditional White Smoke and Black, Bose has added Deep Plum and Midnight Violet colorways. Also new for Gen 2 is wireless charging via the case, in addition to USB-C connectivity, and case battery level reporting in the Bose app. Bose also claims to have improved call quality and its ActiveSense noise cancellation. I have the Gen 1 Ultras (which my wife has been coveting, hence the upgrade) and can attest to almost complete silence on a commercial flight. No jet engine noise or babies crying…just pure bliss.While have not yet flown with the Gen 2s, I have been mowing the lawn, again with almost complete silence except for the deep bass and pure highs of the music playing from my phone. Music reproduction is accurate and rich with a wide soundstage and telephone calls come through clearly and without distortion. The earbuds are very comfortable for prolonged use and fit securely once you find the right size tips and retention bands. There is even an Earbud Seal Test in the app to ensure best performance. With a battery life of up to 6 hours and several recharges available in the case, these earbuds will work for quite a while if used judiciously. I cannot say enough about the 2nd Gen Bose Ultra Earbuds beyond the fact that you will not be disappointed if you decide to make the purchase.
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JM –
Bose Quality, Convenience + Customization
I’ve always trusted Bose for sound quality, but I was hesitant to get earbuds because I usually experience ear fatigue within 10 minutes of wearing them. I wore these for 5 hours straight before they even started to bother me. The fit kit they include is a huge win with several variations of ear tips and cushion which are easy to swap, click securely, and make all the difference in comfort!The sound quality is superb. The bass and clarity feel like surround sound , full and powerful without being harsh or headache inducing. Noise cancellation is customizable and blocks out distractions beautifully, with little to no sound leakage which is amazing for phone calls and music. I’ve used them for phone calls, exercise, and downtime, and they always stay in place. Having modes like music, motion, and podcast makes the listening experience even more personal.Battery life is another highlight for me. The buds recharge quickly in the case, and I’ve only had to charge them once while stored.The connectivity range is beyond better than similar products I own, and the Bose app with EQ and customization options is really allows you to prioritize function and personalize your experience.My top highlights are the comfort, secure fit, and ability to tailor the experience to any situation. If I could improve one thing though, it would be adding a locator feature for lost buds or more shortcut control button options.Overall I’d recommend these to anyone who moves. Literally. Especially people on the go who want earbuds that stay put, sound incredible, and feel comfortable for hours.
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Michael Rosendahl –
Gen 2, really? It say so on the box.. but there is no difference to these other than the grill on the earplugs compared to the gen 1… and wireless charging, but that can be bought for gen 1 as well.Gen 2 are good if you want great noise suppression and comfortable earbuds, but they are simply not good enough for calls, unless you want to be heard as you’re talking into a tin can. The charging case, which has support for wireless charging, is a bit bulky and Very very flimsy compared to Samsung Galaxy buds 3 pro or any of the AirPod versions.If you have AirPods or Galaxy buds or any buds that you are comfortable with and you’re happy with the noise suppression you get then do not, I repeat do not purchase these they are not That good, AirPods Pro are actually better.. if they fit!______Edit after firmware update 4.9.30 on August 6, which claims that it “Introduced SpeechClarity voice enhancement for Bose best call quality yet”… I tried their newest and best call quality IN A QUIET ROOM… and it still sounds like you’re talking in a tin can, not much of a difference.And since this is what they claim to be a Gen 2, i.e. a brand new hardware version it should have been updated with better microphones, well nope, it has the same crappy ones as Gen 1, it’s just a way for them to make us pay for firmware updates. Another Red flag, so again, stay away from Bose if you want good call quality they simply cannot deliver on that.
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Patrizia Uccheddu –
The best noise cancelling out there, confortable to wear, easy to carry around. Perfect for airplane/long haul to sleep. Definitely best thing i bought for my music.
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Amazon Customer –
Way better than gen1. They haven’t even burst my ear drums with crackling yet.
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K.A. –
I have owned various Bose products over the years, including earbuds a long long time ago now. Bose was the leader of active noise cancellation back then, now a number of other companies have since caught up. I found these earbuds to be a departure from my previous experience with Bose products:* noise cancellation: the noise cancellation is still one of the strongest I’ve seen, especially in earbuds, but the pressure in my ears from it is now gone! I have trouble telling if it is actually on, then today I was inflating some tires with a portable air compressors and could barely hear it. This was a loud repetitive noise, though: the earbuds did get “confused” by a sudden one-off loud noise, such as me closing the door of my car, and I could hear the noise-cancellation trying to “catch up” to my environment. Yeah, it’s working, and in a very subtle not-in-your-face fashion!* size: they are much smaller than other noise-cancelling earbuds out there, and also lighter. Unlike others, they stay securely in my ears. This is welcome, the only other noise-cancelling earbuds I have found that were able to accomplish this feat without significant tinkering are the Jabra products.* sound quality: Boses always favoured the low-ends with very crisp articulated highs. I found these earbuds to be much better balanced, almost flat-sounding, but still very crisp.* sound stage: these earbuds completely blew my other earbuds out of the water. They sound like I am in a concert hall. With immersive audio that shift the music when I move my head and the earbuds being so light, listening to music makes it difficult to distinguish if the earbuds are the ones playing the music, or my computer through its speakers* touch controls: I hate touch controls and Bose delivers nothing I like here. It triggers when I adjust the earbuds in my ears, it does the wrong thing, and is just a nuisance. Unfortunately everyone else seems to think it is cool and manufacturers keeps adding it in products large and small. Please bring the buttons back!* battery life: pretty good so far, I haven’t reached a situation where they run out of juice on me and I have been using them for a few hours continuously.* battery case is a bit bigger than I thought it would be, and lacks a feature I would have liked to have, such as ability to transmit audio to the earbuds. The Jabras have that, why can’t the Boses? Also, no one seems to think about how one is expected to carry this thing: no attachment for lanyard, carabiner or anything else: you have to get a case for that, then hope it doesn’t fall out of the case.* wireless charging: this is a new feature for the gen 2 battery case. It works, but it doesn’t shut off the pad when done. As a result I have to remove them from the charging pad or they become warm to the touch.* price: like other Bose products, very very expensive for what they are.* app support: I found the app to be very basic with only a few controls. Other brands have better ones.
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Denis –
On pourrait dire que mon opinion est un peu biaisée :Ça fait des années que j’utilise Bose, des écouteurs à la barre de son pour mon téléviseur !Ce qui est appréciable avec cette marque, c’est qu’ils ne s’endorment pas sur leurs lauriers. Ils continuent de s’améliorer, de génération en génération.Et c’est le cas avec ces écouteurs intra-auriculaires QuietComfort Ultra 2ème génération.D’accord, ce ne sont pas les écouteurs les plus discrets quand vous les portez.De même, le boîtier chargeur reste un peu gros, bien que l’autonomie des écouteurs soient un peu inférieure à ce que propose la concurrence à ce niveau de prix et en dessous.(Ça, c’était pour le négatif !)Pour le reste, c’est un sans faute.Tout d’abord là où Bose dépasse de la tête et des épaules la compétition :La fonction de réduction de bruit.J’ai essayé ces dernières semaines plusieurs concurrents, comme le Sony WH-1000XM5 ou le très décevant Sennheiser True Wireless 4.Si le Sony n’est pas loin, ni l’un ni l’autre n’est au niveau de Bose.Aussi surprenant que ça puisse paraître, seul le bien moins cher Soundcore Liberty 4 NC s’en approche sans le rattrapper.Si vous avez choisi les embouts qui correspondent exactement à votre conduit auditif (une option dans l’application Bose – pour iOS et Android – vous permet de vérifier si vous portez correctement vos écouteurs avec les embouts qui vont bien), lorsque vous sélectionnez l’option de réduction de bruit, quel que soit l’environnement dans lequel vous êtes, vous serez assuré(e) qu’au moins 90 à 95% des sons extérieurs seront coupés.Je l’ai testé près d’un chantier de construction d’immeuble, dans le bus, en marchant dans une rue très animée, le résultat est constant – les sons autour de vous sont à peine perceptibles.Vous avez également une option appelée ‘Aware’ qui sera très utile pour bien écouter votre musique préférée ou vos podcasts tout en entendant les sons ambiants sans que ça soit gênant.C’est pratique pour entendre la voiture qui arrive derrière vous !Et enfin vous avez l’option de transparence qui vous permet de toujours entendre la musique sans qu’aucun filtre ne vous coupe de votre environnement.Depuis l’application, vous pouvez même créer votre propre mode de réduction de bruit, en plus de ceux proposés par défaut par Bose. Pratique.Vous pouvez passer d’un mode à l’autre soit depuis l’application Bose, soit grâce aux fonctions tactiles des écouteurs – que vous pouvez paramétrer selon vos préférences depuis l’application.À ce propos, quel que soit l’environnement sonore, les appels téléphoniques sont eux aussi de qualité (une grande différence avec la génération précédente), même en cas de grand vent – pour ça, vous devrez sélectionner une option ‘Vent’ dans l’application pour que les oreillettes gèrent correctement le bruit du vent.Côté son, c’est aussi proche de la perfection :Je suis loin d’avoir l’oreille absolue, mais en tant qu’auditeur de base j’ai trouvé la qualité audio exceptionnelle avec beaucoup de subtilité et un bel équilibre entre des aigus clairs et des basses profondément résonnantes.J’ai pu lire ici ou là que certains concurrents de Bose (en particulier Technics pour ne pas les nommer) proposent un son plus riche et plus raffinés.C’est possible.Pour ma part, lorsque j’écoute des podcasts, les voix sont cristallines et bien compréhensibles.Quand j’écoute du jazz, j’entends la richesse et la subtilité de jeu de chaque instrument. Quand j’écoute du classique, la puissance de l’orchestre, le détail du piano ou du violon solo se détache bien.Vous êtes dans la salle de concert, à la meilleure place.Bref, on a un son riche et immersif.Enfin, ces écouteurs ne s’appellent pas ‘Comfort’ pour rien !Avec seulement 7,7 grammes par oreillette, vous ne sentez pas grand chose quand vous les portez, même si vous les gardez plusieurs heures (en tenant compte que l’autonomie est d’en moyenne de 5 heures ‘seulement’).Jamais elles ne deviennent inconfortables, et quels que soient vos mouvements, elles tiennent bien en place.De plus grâce au standard IPX4, vos oreillettes ne risquent rien même si vous les portez un jour de grande pluie.À tout ça, vous pouvez ajouter que vous avez une autonomie moyenne cumulée de près de 24 heures avec l’étui de rangement qui se charge avec un câble USB-C (fourni), ou en sans fil (technologie Qi).Cerise sur le gâteau : ces oreillettes Bose sont ‘Bluetooth Multipoint’, ce qui veut dire que vous pouvez les connecter à plusieurs appareils en même temps.Je crois n’avoir rien oublié, tout en réalisant qu’il y a encore d’autres fonctionnalités dont je n’ai pas parlé.à vous de les découvrir ! 😉Tout ça pour dire que ces oreillettes intra-auriculaires Bose QuietComfort Ultra 2ème génération sont certes chères, mais elles valent le prix demandé.Après en avoir essayé plusieurs dans le haut de gamme, ce sont les seules et uniques que je recommande.C’est simple, au moment d’écrire ces lignes, les oreillettes Bose QuietComfort Ultra 2ème génération sont sans aucun doute les meilleures du marché.
FL Hart –
Phenomenal Sound
The Bose QuietComfort Ultra Earbuds are noticeably more comfortable, sound better, and offer more features than previous models. They look and feel like the premium product I expect from Bose. Multiple ear-tip options, including foam and silicone, help achieve a secure, personalized fit for different ear sizes. The noise cancellation is the best I’ve experienced, effectively blocking both low-frequency drone and mid-frequency city noise. The Bose app lets you tailor the experience with presets and custom options, from EQ adjustments to adjustable ANC levels. Sonically, the bass is punchy, the mids are clear, and the highs remain smooth; additional settings and controls in the app make it easy to fine-tune the sound. Call quality is solid, and connectivity is reliable with fast pairing. Battery life delivers about 5–6 hours with ANC on, and the case provides a couple of full charges plus convenient USB‑C fast charging (and wireless charging on compatible models). Overall, these are the best earbuds I’ve owned from Bose, or any competitor.
NYY –
Bose Silence is Golden
Bose is out with its new QuietComfort Ultra Earbuds (2nd Gen) and they are a winning continuation of the QuietComfort Earbud line that was first introduced in 2020. The Gen 2 Ultras now come in four colors. In addition to the traditional White Smoke and Black, Bose has added Deep Plum and Midnight Violet colorways. Also new for Gen 2 is wireless charging via the case, in addition to USB-C connectivity, and case battery level reporting in the Bose app. Bose also claims to have improved call quality and its ActiveSense noise cancellation. I have the Gen 1 Ultras (which my wife has been coveting, hence the upgrade) and can attest to almost complete silence on a commercial flight. No jet engine noise or babies crying…just pure bliss.While have not yet flown with the Gen 2s, I have been mowing the lawn, again with almost complete silence except for the deep bass and pure highs of the music playing from my phone. Music reproduction is accurate and rich with a wide soundstage and telephone calls come through clearly and without distortion. The earbuds are very comfortable for prolonged use and fit securely once you find the right size tips and retention bands. There is even an Earbud Seal Test in the app to ensure best performance. With a battery life of up to 6 hours and several recharges available in the case, these earbuds will work for quite a while if used judiciously. I cannot say enough about the 2nd Gen Bose Ultra Earbuds beyond the fact that you will not be disappointed if you decide to make the purchase.
JM –
Bose Quality, Convenience + Customization
I’ve always trusted Bose for sound quality, but I was hesitant to get earbuds because I usually experience ear fatigue within 10 minutes of wearing them. I wore these for 5 hours straight before they even started to bother me. The fit kit they include is a huge win with several variations of ear tips and cushion which are easy to swap, click securely, and make all the difference in comfort!The sound quality is superb. The bass and clarity feel like surround sound , full and powerful without being harsh or headache inducing. Noise cancellation is customizable and blocks out distractions beautifully, with little to no sound leakage which is amazing for phone calls and music. I’ve used them for phone calls, exercise, and downtime, and they always stay in place. Having modes like music, motion, and podcast makes the listening experience even more personal.Battery life is another highlight for me. The buds recharge quickly in the case, and I’ve only had to charge them once while stored.The connectivity range is beyond better than similar products I own, and the Bose app with EQ and customization options is really allows you to prioritize function and personalize your experience.My top highlights are the comfort, secure fit, and ability to tailor the experience to any situation. If I could improve one thing though, it would be adding a locator feature for lost buds or more shortcut control button options.Overall I’d recommend these to anyone who moves. Literally. Especially people on the go who want earbuds that stay put, sound incredible, and feel comfortable for hours.
Michael Rosendahl –
Gen 2, really? It say so on the box.. but there is no difference to these other than the grill on the earplugs compared to the gen 1… and wireless charging, but that can be bought for gen 1 as well.Gen 2 are good if you want great noise suppression and comfortable earbuds, but they are simply not good enough for calls, unless you want to be heard as you’re talking into a tin can. The charging case, which has support for wireless charging, is a bit bulky and Very very flimsy compared to Samsung Galaxy buds 3 pro or any of the AirPod versions.If you have AirPods or Galaxy buds or any buds that you are comfortable with and you’re happy with the noise suppression you get then do not, I repeat do not purchase these they are not That good, AirPods Pro are actually better.. if they fit!______Edit after firmware update 4.9.30 on August 6, which claims that it “Introduced SpeechClarity voice enhancement for Bose best call quality yet”… I tried their newest and best call quality IN A QUIET ROOM… and it still sounds like you’re talking in a tin can, not much of a difference.And since this is what they claim to be a Gen 2, i.e. a brand new hardware version it should have been updated with better microphones, well nope, it has the same crappy ones as Gen 1, it’s just a way for them to make us pay for firmware updates. Another Red flag, so again, stay away from Bose if you want good call quality they simply cannot deliver on that.
Patrizia Uccheddu –
The best noise cancelling out there, confortable to wear, easy to carry around. Perfect for airplane/long haul to sleep. Definitely best thing i bought for my music.
Amazon Customer –
Way better than gen1. They haven’t even burst my ear drums with crackling yet.
K.A. –
I have owned various Bose products over the years, including earbuds a long long time ago now. Bose was the leader of active noise cancellation back then, now a number of other companies have since caught up. I found these earbuds to be a departure from my previous experience with Bose products:* noise cancellation: the noise cancellation is still one of the strongest I’ve seen, especially in earbuds, but the pressure in my ears from it is now gone! I have trouble telling if it is actually on, then today I was inflating some tires with a portable air compressors and could barely hear it. This was a loud repetitive noise, though: the earbuds did get “confused” by a sudden one-off loud noise, such as me closing the door of my car, and I could hear the noise-cancellation trying to “catch up” to my environment. Yeah, it’s working, and in a very subtle not-in-your-face fashion!* size: they are much smaller than other noise-cancelling earbuds out there, and also lighter. Unlike others, they stay securely in my ears. This is welcome, the only other noise-cancelling earbuds I have found that were able to accomplish this feat without significant tinkering are the Jabra products.* sound quality: Boses always favoured the low-ends with very crisp articulated highs. I found these earbuds to be much better balanced, almost flat-sounding, but still very crisp.* sound stage: these earbuds completely blew my other earbuds out of the water. They sound like I am in a concert hall. With immersive audio that shift the music when I move my head and the earbuds being so light, listening to music makes it difficult to distinguish if the earbuds are the ones playing the music, or my computer through its speakers* touch controls: I hate touch controls and Bose delivers nothing I like here. It triggers when I adjust the earbuds in my ears, it does the wrong thing, and is just a nuisance. Unfortunately everyone else seems to think it is cool and manufacturers keeps adding it in products large and small. Please bring the buttons back!* battery life: pretty good so far, I haven’t reached a situation where they run out of juice on me and I have been using them for a few hours continuously.* battery case is a bit bigger than I thought it would be, and lacks a feature I would have liked to have, such as ability to transmit audio to the earbuds. The Jabras have that, why can’t the Boses? Also, no one seems to think about how one is expected to carry this thing: no attachment for lanyard, carabiner or anything else: you have to get a case for that, then hope it doesn’t fall out of the case.* wireless charging: this is a new feature for the gen 2 battery case. It works, but it doesn’t shut off the pad when done. As a result I have to remove them from the charging pad or they become warm to the touch.* price: like other Bose products, very very expensive for what they are.* app support: I found the app to be very basic with only a few controls. Other brands have better ones.
Denis –
On pourrait dire que mon opinion est un peu biaisée :Ça fait des années que j’utilise Bose, des écouteurs à la barre de son pour mon téléviseur !Ce qui est appréciable avec cette marque, c’est qu’ils ne s’endorment pas sur leurs lauriers. Ils continuent de s’améliorer, de génération en génération.Et c’est le cas avec ces écouteurs intra-auriculaires QuietComfort Ultra 2ème génération.D’accord, ce ne sont pas les écouteurs les plus discrets quand vous les portez.De même, le boîtier chargeur reste un peu gros, bien que l’autonomie des écouteurs soient un peu inférieure à ce que propose la concurrence à ce niveau de prix et en dessous.(Ça, c’était pour le négatif !)Pour le reste, c’est un sans faute.Tout d’abord là où Bose dépasse de la tête et des épaules la compétition :La fonction de réduction de bruit.J’ai essayé ces dernières semaines plusieurs concurrents, comme le Sony WH-1000XM5 ou le très décevant Sennheiser True Wireless 4.Si le Sony n’est pas loin, ni l’un ni l’autre n’est au niveau de Bose.Aussi surprenant que ça puisse paraître, seul le bien moins cher Soundcore Liberty 4 NC s’en approche sans le rattrapper.Si vous avez choisi les embouts qui correspondent exactement à votre conduit auditif (une option dans l’application Bose – pour iOS et Android – vous permet de vérifier si vous portez correctement vos écouteurs avec les embouts qui vont bien), lorsque vous sélectionnez l’option de réduction de bruit, quel que soit l’environnement dans lequel vous êtes, vous serez assuré(e) qu’au moins 90 à 95% des sons extérieurs seront coupés.Je l’ai testé près d’un chantier de construction d’immeuble, dans le bus, en marchant dans une rue très animée, le résultat est constant – les sons autour de vous sont à peine perceptibles.Vous avez également une option appelée ‘Aware’ qui sera très utile pour bien écouter votre musique préférée ou vos podcasts tout en entendant les sons ambiants sans que ça soit gênant.C’est pratique pour entendre la voiture qui arrive derrière vous !Et enfin vous avez l’option de transparence qui vous permet de toujours entendre la musique sans qu’aucun filtre ne vous coupe de votre environnement.Depuis l’application, vous pouvez même créer votre propre mode de réduction de bruit, en plus de ceux proposés par défaut par Bose. Pratique.Vous pouvez passer d’un mode à l’autre soit depuis l’application Bose, soit grâce aux fonctions tactiles des écouteurs – que vous pouvez paramétrer selon vos préférences depuis l’application.À ce propos, quel que soit l’environnement sonore, les appels téléphoniques sont eux aussi de qualité (une grande différence avec la génération précédente), même en cas de grand vent – pour ça, vous devrez sélectionner une option ‘Vent’ dans l’application pour que les oreillettes gèrent correctement le bruit du vent.Côté son, c’est aussi proche de la perfection :Je suis loin d’avoir l’oreille absolue, mais en tant qu’auditeur de base j’ai trouvé la qualité audio exceptionnelle avec beaucoup de subtilité et un bel équilibre entre des aigus clairs et des basses profondément résonnantes.J’ai pu lire ici ou là que certains concurrents de Bose (en particulier Technics pour ne pas les nommer) proposent un son plus riche et plus raffinés.C’est possible.Pour ma part, lorsque j’écoute des podcasts, les voix sont cristallines et bien compréhensibles.Quand j’écoute du jazz, j’entends la richesse et la subtilité de jeu de chaque instrument. Quand j’écoute du classique, la puissance de l’orchestre, le détail du piano ou du violon solo se détache bien.Vous êtes dans la salle de concert, à la meilleure place.Bref, on a un son riche et immersif.Enfin, ces écouteurs ne s’appellent pas ‘Comfort’ pour rien !Avec seulement 7,7 grammes par oreillette, vous ne sentez pas grand chose quand vous les portez, même si vous les gardez plusieurs heures (en tenant compte que l’autonomie est d’en moyenne de 5 heures ‘seulement’).Jamais elles ne deviennent inconfortables, et quels que soient vos mouvements, elles tiennent bien en place.De plus grâce au standard IPX4, vos oreillettes ne risquent rien même si vous les portez un jour de grande pluie.À tout ça, vous pouvez ajouter que vous avez une autonomie moyenne cumulée de près de 24 heures avec l’étui de rangement qui se charge avec un câble USB-C (fourni), ou en sans fil (technologie Qi).Cerise sur le gâteau : ces oreillettes Bose sont ‘Bluetooth Multipoint’, ce qui veut dire que vous pouvez les connecter à plusieurs appareils en même temps.Je crois n’avoir rien oublié, tout en réalisant qu’il y a encore d’autres fonctionnalités dont je n’ai pas parlé.à vous de les découvrir ! 😉Tout ça pour dire que ces oreillettes intra-auriculaires Bose QuietComfort Ultra 2ème génération sont certes chères, mais elles valent le prix demandé.Après en avoir essayé plusieurs dans le haut de gamme, ce sont les seules et uniques que je recommande.C’est simple, au moment d’écrire ces lignes, les oreillettes Bose QuietComfort Ultra 2ème génération sont sans aucun doute les meilleures du marché.