Bose QuietComfort Ultra Earbuds (2nd Generation) Wireless Noise Cancelling Bluetooth Earbuds, Up to 6 Hours of Continuous Playback, IPX4 Compliant, Immersive Audio, Powerful Bass, Black

Wireless Bluetooth Earphones: Best personalized audio, Boy's best noise cancellation, and seamless listening with advanced Bluetooth to focus on your music. These wireless earphones will experience the essence of music every time you listen to them
CustomTune Technology: CustomTune technology analyzes listener's ears and adjusts in-ear earphones to shape Boy's world class noise canceling and personalized audio deliver the finest sound that shakes your mind
WORLD CLASS NOISE CANCELLING: The best noise cancelling ever made Bose earphones. ActiveSense technology adjusts noise cancelling to the optimal level as changing ambient sounds, so you can enjoy music without distracting by noise even in aware
Quiet / Aware Mode: Full noise cancelling Quiet mode when you want to immerse yourself in the sound world. When you want to be aware of the surrounding environment, the awareness mode is ideal for allowing external sound to be incorporated naturally. Immersion mode combines noise cancelling and voice immersive audio
Immersive Audio: Bose immersive audio delivers a sound that is as if you are listening to the sound sweet spot. Experience natural listening experience like never before
Stable Fit: 9 different combinations of eartips and stability bands allow you to adjust the comfort of wearing. Soft umbrella tip seals your ears to reduce outside noise, and stability band ensures a secure fit
CLEAR VOICE CALLS: When you make a call, the AI based background noise suppression function eliminates ambient noise and wind noise, and the microphone only picks up your voice, so you can talk clearly. You can use both ear or one ear wireless earbuds to make calls according to your situation
WIRELESS CHARGING CASE: Long life battery provides up to 6 hours of continuous playback (up to 4 hours when using immersive audio)* for continuous listening experience. When the battery runs low, you can fully charge it up to 3 times in the case. The new wireless charging feature makes charging easier than ever
BLUETOOTH MULTIPOINT CONNECTION: Bluetooth multipoint technology allows seamless switching between devices You can easily use other devices while connected with your smartphone, laptop, etc
Bose APP : Download the Bose app and update the software to ensure optimal functionality and utilize the latest features and cutting-edge technology

All of your music with superior sound quality. Bose QuietComfort Ultra Earbuds (2nd Generation) deliver the best personalized audio, world class noise cancellation, and seamless listening experience that delivers value every time you listen. CustomTune technology optimizes noise cancellation and audio performance to match your ear shape for immersive sound playback With Bose best noise cancellation, these wireless earbuds are your best partner when you want to immerse in the world of music. * Bose tested Active noise cancellation is turned on and audio playback at 75 dBSPL volume. Battery life may vary depending on setting and usage conditions. ** Bose tested Put your dead battery earbuds in a fully charged charging case until 100% reaches and plays audio at 75 dBSPL until battery runs out. *** Bose tested Charge your dead earbuds in a fully charged charging case for 20 minutes, turn on active noise cancellation, turn off immersive audio and play audio at 75dBSPL volume. Battery life may vary depending on setting and usage conditions.

ASIN: B0FCSGGHLL