3 IN 1 BLUETOOTH SLEEP HEADBAND: 3 in 1 sleep headphones, sleep mask and sports headband, can be used as a sleep mask as well as a bluetooth headband headphones, you can listen to music while you sleep, walk or yoga meditation, never miss any incoming calls, perfect for sleep, fitness, travelling or other activities. SOFT & COMFORTABLE TO WEAR: The sleep bluetooth headset headband is made of soft and durable braided wire, soft, breathable, sweat-absorbent, super elasticity, suitable for most head shapes to wear, good breathability can avoid the interference of messy hair and sweat during exercise. EXCELLENT BLUETOOTH TECHNOLOGY: Bluetooth sleep headset headband adopts Bluetooth version 5.0, fast Bluetooth pairing, low power consumption, low latency, 10M wireless range, compatible with all Bluetooth devices, ultra-thin stereo speakers, stable and clear sound. [DETACHABLE AND WASHABLE]: The built-in Bluetooth speaker of the Sleep Bluetooth Headband is detachable. Simply detach and remove the speaker to clean the entire headband. The headband can be washed or machine washed, very convenient for daily use.