Product name : ULL Bone Conduction Earphones Me-300S
Product Model : Me-300S
Product size: 82mm x 17.8mm
Battery: 150mAh
Product weight : 18g
Wireless connection: Bluetooth 5.3
Voltage : 5V
Power : 350mW x 2
Charging time : about 90min
Battery life: 6h music time or 8h call time