The Soundcore Sleep A20 by Anker are wireless inear headphones specifically designed for use during sleep and in quiet environments. They offer a combination of comfort and functionality, allowing users to listen to music, take calls, or simply relax in peace. With an impressive battery life of up to 55 hours, these headphones are ideal for extended use without frequent recharging. The passive noise cancellation minimizes disruptive ambient sounds, enabling users to immerse themselves in a relaxing soundscape. Control is conveniently managed through an app that offers additional customization options. The Soundcore Sleep A20 are also waterproof and feature a closed design for optimal isolation. Bluetooth 5.3 for a stable connection Passive noise cancellation for undisturbed sleep IPX4 rating for water resistance Touchpad remote for easy control Includes a practical case.