Bluetooth solution : Jiele 4.2+EDR
Batteries : 2400mAh
Power Output : 5W*2
Speaker : 52MM*2 / 4 Ohm / 5W
Input Sensivity : 400mV
Frequency : 50Hz-20KHz
S/N Ration : ≥ 88dB
Working Voltage : DC 5V