Bose QuietComfort Earbuds II are a sleek, versatile musical companion designed to fit you and everything you do. Engineered with pioneering CustomTune sound calibration technology, these wireless earbuds intelligently personalize the noise cancellation and sound performance to fit your ears, so you get the proprietary active noise cancelling technology and deep, immersive sound with powerful base whether you’re at home or on the go. To ensure all-day comfort and a secure fit, the earbuds come with the Bose Fit Kit that includes 3 different soft, silicone ear tips and 3 different stability bands to max and match to find your best fit. With a compact, lightweight design, you will almost forget you’re wearing them. Easily control your music or adjust your preferred level of noise cancellation with the earbud’s simple touch controls. Phone calls sound crystal clear. Listen for up to 6 hours on a single charge. The charging case holds 3 additional 6-hour charges for a total of up to 24 hours of listening time. The earbuds have an IPX4 rating for sweat and water resistance, and support advance Bluetooth 5.3 capability and in-App EQ control.

• QuietComfort Earbuds II: These new wireless, bluetooth, noise cancelling earbuds from Bose weren’t designed with a one-size-fits-all approach; These next-generation wireless earbuds are engineered to fit you; They intelligently personalize the noise cancellation and sound performance to uninterrupted, immersive listening wherever you are; To ensure all-day comfort and a secure fit, they come with three pairs of ear tips and three pairs of custom stability bands, so you can find the best fit for your ears; Own your uniqueness with sound and fit shaped to you
• Bose proprietary active noise cancelling technology: QuietComfort Earbuds II intelligently personalize the noise cancellation and sound performance to your ears, so you can enjoy deep, immersive sound and the proprietary active noise cancelling technology
• Bose Comfortability: To ensure your wireless earbuds feel comfortable and stay put no matter what you’re doing, QC Earbuds II come with a Bose Fit Kit; The convenient Fit Kit includes three pairs of ear tips and three pairs of stability bands are made from soft silicone for all-day comfort and a secure fit
• Wireless and easy to use: Use the simple touch interface on the wireless earbuds to control everything; This convenient interface frees your hands so you can stay focused on whatever you’re doing; With simple swipes and taps, play or pause music, the noise cancellation level, all without ever touching your phone
• Long lasting battery: Stay absorbed in the music you love for up to 6 hours; When not in use, store your Bose QuietComfort Earbuds II in the portable charging case -- it’s small enough to fit in your pocket; If the battery gets low, voice prompts let you know; Out of power and don’t have enough time to fully charge? The quick-charge option provides up to 2 hours of battery life from a 20-minute charge 
• Advanced Bluetooth Technology: To ensure your earbuds stay connected to your device, Bose QuietComfort Earbuds II offer advanced Bluetooth 5.3 capability; This newest generation of Bluetooth technology offers a strong, continuous connection as long as you’re within 30 feet of the paired device; The earbuds keep track of the last seven paired devices to easily swap between them without reconnecting 
• Bose App: The Bose app guides you through setup; Use the app to access your preferences, including noise cancellation levels, Bluetooth connections, shortcuts and more