Bluetooth Music Headband Knitted Headwear for Sports / Sleeping - Black - 3X72206912

Bluetooth hat built-in high-performance polymer 200 mah battery
PCB board has set the battery charging protection, can be recharged while working
Bluetooth Connection: This bluetooth headband can keep your head warm while allowing you to enjoy music without additional headphones, bluetooth Wireless range up to 33 feet (10 meters)
Built-in microphone: 3-button control panel makes this speaker headband easy to answer calls, available for hands-free, find songs, and control volume.
Washable Earphone: Built in rechargeable Li-Ion battery and charge via USB Cable, speaker driver and battery can be taken off, easy for washing.
Sleep Eyeshade: Sleep headband protect you from being disturbed by your mess hair and sweat, the headband is elastic and fits all sizes.made sleep more easier