Feature: 1. Wireless Sleep Earplugs: Experience seamless connectivity with Bluetooth 5.3 chip, ensuring stable signal and no interruptions during calls or video playback. Quick pairing with previous devices when charging case is opened. 2. Lightweight Comfort: These sleeping earplugs are designed for all day wear with no pressure or discomfort. Weighing just 3.2g, you can enjoy music or take calls without any ear strain. Touch controls for music, calls, and voice assistants. 3. Universal Compatibility: Compatible for IOS, for Android, for Windows, and all Bluetooth enabled devices. Enjoy stable connectivity for streaming music or calls. Touch control frees your hands for convenience. 4. Smart Touch Control: Easily control playback, calls, volume adjustment, and more with intuitive touch controls. Enjoy your time or share moments with friends and family without needing to touch your phone. 5. Portable Design: Small and lightweight wireless earbuds and charging case can easily fit in your pocket for on the go convenience. All our Bluetooth earphones undergo strict factory testing for great quality. Specification: Item Type: Wireless Sleep Earplugs Material: ABS Earphone Battery: Built in 35mAh Lithium ion Battery x 2 (included) Charging Case Battery: Built in 200mAh Lithium ion Battery (included) Bluetooth Version: 5.3 Bluetooth Distance: 10m Playback Time: 3-4H Charging Time: 1H. Package List: 2 x Earphones 1 x Charging Case 1 x Charging Cable