Channel output: 2.0
Bluetooth version: 4.1
Battery capacity 1500 * 2 7.4V
Horn impedance: 3Ω
Distortion: 0.25% (2W)
Sensitivity: 600mV
Signal to noise ratio: 75dB
Power: 9W * 2
Frequency response: 45-20KHZ
Agreement: QI(got certification)
Full charging time of Iphone(1821mAh): 1.5h
MD-3119 Wireless Charging


