■ Speaker spec.: 4ohm, 3W x 2

　　■ Power amplifier: RMS 3W(THD=10%)

　　■ Power amplifier signal to noise ratio:≥80dB

　　■ Play time:13-20 hours

　　■ Frequency respond:100Hz-20KHz

　　■ Signal to noise ration:≥80dB

　　■ Sensitivity: 80±2dB

　　■ Internal rechargable Li-ion battery(3.7v 2000mAh)

　　■ Song pick up by remote control

　　■ AUX input

　　■ Eearphone output