Bone conduction sleep speaker

Material: ABS+cloth+silicone

Function: bone conduction sleep aid speaker, white noise sleep aid timer

Bluetooth version:V 5.4

Battery capacity: 200mAh

Play time: 8-11 hours

Standby time: 200 hours

Charging time: 2 hours

Transmission distance: 10 meters

Product size: 60.91*61.30*12.86 MM

Weight: 26g