TOPIEI Bluetooth Headband: headband headphones with built-in speakers and microphone enable to answer the call hands-free, double-layer 95% Polyester & 5% Spandex soft lining suitable for multi-occasional such as workouts, jogging, yoga, this headband Minimum 10"inch size maximum 15.2" inch size, please make sure this size match your head before place order

14 Hours Playtime: headphone headband wireless sleep headphones use Bluetooth 5.2 EDR technology and 180 mAh lithium battery, up to 14 hours playtime per charging.The indicators light will flashing blue after pairing

Immersive Stereo Sound: Bluetooth Headband Headphones made of two 30mm stereo speaker and two 12.5mm ring neodymium magnet motor deliver pure and balanced audio output with loud sound

Thin Speaker: headband headphones for sleeping with 0.2 inch ultra-thin speaker plus memory foam cover, no pressure to your ear, comfortable experience always accompanied by side sleepers, long time wearing will press ears.

Detachable and washable: The headband earphones are easy to assemble, the wireless speaker inside the headband is detachable and the headband are washable