SUNSKY Bluetooth Headband Headphones Sleep Mask for Side Sleeper Workout Running Sleep Mask Hemp Gray

Function: Built-in microphone, can answer the phone, listen to music, etc.

Multifunctional use, can be used as Bluetooth headphones, hair bands, sleep eye mask, wrist guards, etc.

Rear elastic elastic cord, adapt to different head circumference

Up to 13 hours of battery life, charging 1.5 hours

Bluetooth transmission signal stability, low power consumption, no lag