USB Charging Bluetooth Music Sleeping Eye Mask Features: 1. Suitable for travel, business trips, lunch breaks, etc., so that you are not afraid of light interference and sleep as you want 2. Velvet material, soft and skin-friendly 3. Connected to Bluetooth, the battery status can be monitored in real time through the mobile phone 4. Use the ons to control the volume up/next song, pause/play, low volume/previous song and other functions, convenient 5. Built-in Micro USB charging port, convenient for charging. Removable battery, easy to clean the eye mask 6. Loop design, get rid of ear lanyard, reduce ear pressure
