Transmission standdard:≤10M
Sound pressure line :100dB/mW
Impedance :32Ω Signal Noise Ratio :>70dB
Frequency Response:20Hz-20KHz
Battery type :Polymer battery 3.7V/60mAH
Charging Voltage:DC 5V/1A
Charging Time:2hrs
Working time:6hrs(volume50%) NW:14.5g
Accord with Bluetooth 4.0
Compatible with Android and IOS