Output voltage:3.7V
	Output power:40MM,
	Input:5.0V
	Loud speaker: 4Ω / 5W*2
	Signal and noise ratio(SNR):72db
	Frequency Response:90HZ-18KHZ
	Output distortion rate≤0.2%
	Battery: 2200mAh
	Material:ABS
	Model:ML-BS03D
	1.Blutooth Version V4.2;     
	Transmission distance >10M; 
	2.Hand free phone,        
	3.you can answer / hang up cell phone; 
	4.TF card music playback
	5.FM radio
	6.Aux in, apply to PC,mobile phone,mp3 etc.
	rechargeable Li-ion battery ,2200 mah