Output power:RMS 4W*1 THD=*0%
Frequency Response:*****8KHz
Loud Speaker: 4Ω 3W*1
Signal and noise ratio: ≥*0dB
Battery:inside **0mAH
Bass booth:NO
Accessories
1)3.5mm earphone
2)USB power supply cable
3)Rechargeable Lithium battery
Play the MP3 from the TF card automatically
Play the MP3 from the USB disk
3.5mm AUX
3.5mm audio output
FM Radio
searching the channels automaticly from *7.5 to **8.0MHz
Variable colors to choose
LED display the working status