Get a better night's rest with the Soundcore Sleep A20 earbuds. Designed with ultra-soft materials and a 3D ergonomic shape, they are incredibly comfortable, even for side sleepers. The 4-point noise masking system helps block out unwanted noise, so you can sleep soundly. You get up to 14 hours of battery life in Sleep mode and an extra 80 hours with the charging case, giving you around 10 nights before you need to recharge.Good to know- It tracks your sleep positions and movements, for handy insights into your slumber- Stream your perfect bedtime soundtrack from your phone or tablet using Bluetooth- You can pick from a library of sounds, set alarms or a timer, and find your device on the Soundcore app- Bluetooth mode gives you up to 10 hours of playtime and an additional 55 hours with the charging case