Bose QuietComfort®️ Earbuds II are not made one size fits all. These are the next generation of wireless earbuds, and they're designed to fit you. They tailor the noise reduction and audio performance to your ears, so you can enjoy the world's best noise reduction and uninterrupted, immersive listening wherever you are. To ensure all-day comfort and a secure fit, three pairs of ear tips and three pairs of custom stability bands are included, so you can find the best fit for your ears.

Specifications:

• Battery life: Up to 6 hours.
• Charging time of the earbuds: 1 hours.
• Charging time for the charging case: 3 hours.
• Quick charge time: 20 minutes for up to 2 hours.
• Battery charging method: USB-C.
• Battery type (earbud): Lithium ion.
• Battery type (case): Lithium ion.
• Automatic on/off function to save battery.