Product information:

Material: ABS
Size: 130 * 100 * 50mm
Bluetooth capacity: 230mAh; Charging time: 2 hours
Usage time: 10 hours; Standby time: 120 hours

Features:
Bone conduction black technology, does not enter the ear, does not harm the ear, healthy ear protection; IPX5 waterproof and dustproof
Supports Chinese and English prompt sounds. When not connected, double-click the function key and there will be a prompt sound