Name: Wireless Invisible Sleep EarbudsColor: Black White Skin ColorNoise Reduction Function: SupportTWS Single Binaural Separation Mode: SupportBluetooth-Compatible Transmission Distance: 10m (barrier-free)Bluetooth Specification: V5.3Playback Time: 24hCharging Time: 1hCharging Port: Type CWaterproof: IPX5Features: Comfortable to wear, fast wireless connection, long battery life, built-in microphone, touch control, dual noise reduction.Package List:1 pair * Wireless Sleep Earbuds1 * USB Charging Cable1 * User Manual1 * Packaging1. Ultra-comfortable to wear: Invisible sleep earplugs are securely attached to the ear hooks for long-term use, comfortable to wear without feeling them when lying on your side, and with cochlear fall protection and IPX5 waterproof.2. Fast wireless connection: To let you immerse yourself in the world of music in 2 seconds, the wireless sleep earbuds are compatible with most wireless devices and up to 10m, providing a stable connection, stronger signal, and faster connection speed.3. Touch control function: Easy to tap to pause music, answer calls, and reject calls. Wireless invisible earbuds play continuously for 24 hours while charging with a charging box for 1 hour, with an ultra-long battery life of 480 hours and a built-in microphone.4. Noise-cancelling earbuds: Invisible in-ear headphones help you stay away from snoring and baby sounds and allow you to enjoy a peaceful sleep by combining physical noise reduction with acoustic noise reduction technology.5. Excellent sound quality: Wireless flat earbuds are a sleep companion for you, with whale cave stereo surround sound, providing you with a high-quality audio experience.