Make the everyday sound epic with the Bose QuietComfort Wireless Noise Cancelling Earbuds. Tune out the bad and focus on the good with legendary noise cancellation that consistently and effectively blocks out your surroundings using these everyday earbuds with built-in active noise cancellation. With up to 8.5 hours of staying power* and an IPX4 rating that makes these Bose wireless earbuds water and sweat-resistent, carpe the darn diem with sound that?Aos powerful, not precious. These Bluetooth noise cancelling earbuds make it seamless to switch between all your favorite devices like your phone, laptop, and more using advanced Bluetooth 5.3 connectivity that keeps you connected up to 30 feet away. Plus, the included wireless charging case holds up to 2.5 additional charges**, with a quick 20-minute charge of the Bluetooth earbuds giving you up to 2 hours of additional play time***. With these active noise cancelling earbuds, you get nine combinations of eartips and stability band sizes to find the best fit. Personalize your noise cancelling earphones even further using the Bose QuietComfort Earbuds app. Easily tune the high quality earbuds to your favorite EQ settings, switch between ANC settings, customize a shortcut, check battery levels, and manage connected devices all from within the app. *Testing conducted by Bose with audio playback at a loudness of 75dBSPL. Battery life varies based on settings and usage. **Testing conducted by Bose by inserting battery-depleted earbuds into a fully charged case, charging to 100% (or until the case battery was depleted), playing audio at a loudness of 75dBSPL until earbud battery depletion, and repeating until case battery depletion. ***Testing conducted by Bose by inserting battery-depleted earbuds into a fully charged case and charging earbuds for 20 minutes, then resuming audio playback at a loudness of 75dBSPL. Battery life varies based on settings and usage.