IPX5 Waterproof & Anti-drop -- Comfortable to wear without feeling when lying the side, Invisible Sleep Earbuds are featuring cochlear drop-proof and IPX5 waterproof, securely attached to ear hooks for long-term wear. Fast & Stable Connection -- Sleep Wireless Earbuds are compatible with most wireless devices and up to 15m, letting you enter the world of music in 2 seconds, providing stable connection, stronger signal, and faster connection speed. Microphone & Touch Control -- Wireless Invisible Earbuds are easy to touch to switch to pause music, answer calls, and reject calls, featuring ultra-long battery life of 480h and a built-in microphone, playing continuously for 24h while charging for 1h with a charging case. Effectively Block Noise -- Combining physical noise reduction with acoustic noise reduction technology, Invisible In-Ear Headphones are letting you enjoy a quiet sleep time, helping you stay away from snoring and baby noise. Enjoy Sound Quality -- Bringing you high-quality audio enjoyment, Wireless Flat Earbuds are a perfect sleep companion for you, featuring whale cavity stereo surround sound.