产品描述
Bluetooth version: 4.1+EDR
Charging voltage: MICRO USB DC-5.0V Power: 40MA
Battery voltage: 3.7-4.2V Speaker impedance: 8Ω/2W
Charging current: 250 (Max) Battery Capacity: 500MAH
SNR: = 70 db Distortion: + 1%MAX
Charging time:2H Call time: 10H Standby Time: 10 days