Sleep Mask Headphones Bluetooth

This sleep mask headset can be used not only as a sleep earphone or sleep mask, but also as a sports headband. Built in microphone and headphones, supporting hands-free calling and music playback functions, playing soothing music while blocking light., Sleep mask headphones are made of elastic fabric that is stretchable and suitable for the head circumference of most adults, men, women, and teenagers., Built in 150mAh rechargeable lithium battery, charging for 1-2 hours, can provide 72 hours of Bluetooth standby time, 7 hours of maximum volume, and 10 hours of medium volume music playback time., Soft, lightweight, and breathable, the earphones can be cleaned after removal and can be used for extended periods of time., Sleep mask headsets create a private space for you, not only allowing you to sleep better, but also enjoying music time, perfect for sleeping, napping, relaxing, and meditation.