Product Name: XT-21 Dual Motion Bluetooth Sports Headset
Speaker specifications: dual unit 9 PCT plus washer plus uv cotton double speaker
Speaker impedance: 16 ohms
Speaker frequency response: 20Hz~ 20KHz
Power consumption: 18-22 mA
Speaker rated power: 3mw
Standby time: 160h
Music time (medium): 3.h
Bluetooth version: 4.2+edr
Talk time (medium tone): 3.2h
Input power: 93mW
Speaker 1k sensitivity: 98db
Charging time: 0.6h
Transmission distance (m): 7-10m
Battery capacity: 75 mA
Battery type: 401025
Battery voltage: 32-4.2v
Accessories: manual + data cable + ear cap
Lithium (battery energy content (watt hours): 0.203wh