Built in bluetooth receiver

Bluetooth frequency range:2400-2480MHz

Power Source: Built in rechargeable battery,Charge battery via standard mini USB interface                                                                (Optional:DC5V/500mA adapter ＄1)

Frequency Response: 150Hz~18KHz

S/N: ≥80dB                                                                  THD: ≤0.5%(1W,1KHz)

Output power: 2W