ULTRA 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. Fast Wireless Connection: So you can immerse yourself in the world of music in 2 seconds, the wireless sleep earbuds are compatible with most wireless devices and up to 15 meters, providing a stable connection, stronger signal and faster connection speed. Touch control function: easy to touch to pause music, answer calls and reject calls. Wireless invisible earphones play continuously for 24 hours while charged for 1 hour with a charging box, with an ultra-long battery life of 480 hours and a built-in microphone. Noise blocking earbuds: invisible in-ear headphones help you keep away from snoring and baby noise, and let you enjoy a quiet sleep time by combining physical noise reduction with acoustic noise reduction technology. Great sound quality: wireless flat earphones are a perfect sleeping companion for you, with whale cavity stereo surround sound that offers you high-quality audio enjoyment. Material: ABS + PC. Bluetooth version: 5.3, The battery capacity of the earphone is 35mAh, the battery capacity of the charging compartment is 300mAh, with LED power display, the body is 10.6mm thin, and it is comfortable to stick to the ear. Charging time: 1 hour, with the charging compartment can play music continuously for 24 hours. IPX5 waterproof.