Extremely comfortable to wear: invisible sleep earplugs are securely attached to ear hooks for long-term wear, comfortable to wear without feeling lying on the side, and with Cochlea drop protection and IPX5 waterproof. Universal wireless compatibility: compatible with most wireless devices and up to 15 m, sleep wireless earbuds provide a stable connection, stronger signal and faster connection speed, so you can immerse yourself in the world of music in 2 seconds. Touch control function: easy to touch to pause music, answer calls and reject calls. Wireless invisible earbuds play continuously for 24 hours while charged for 1 hour with a charging case, with an ultra-long battery life of 480 hours and a built-in microphone. Noise Cancelling Earplugs: Invisible in-ear headphones let you enjoy a quiet sleep time by combining physical noise reduction with acoustic noise reduction technology and help you keep away from snoring and baby noise. ENJOY SOUND QUALITY: The wireless flat earphones offer you high quality audio enjoyment and with whhale cave stereo surround sound is a perfect sleeping companion for you. Material: ABS + PC, Bluetooth version: 5.3, earphone battery capacity 35mAh, charging compartment battery capacity 300mAh, with LED power display, the body is 10.6mm thin, comfortable and close to the ear. Charging time: 1 hour, with charging compartment can play music continuously for 24 hours. IPX5 waterproof