Output voltage:3.7V-4.2V
	Output power:52MM,5W*2
	Input:5.0V
	Loud speaker: 4Ω / 5W*2
	Signal and noise ratio(SNR):80db
	Frequency Response:20HZ-20KHZ
	Output distortion rate≤0.5%
	Battery: 4400mAh
	Material:ABS
	Model:ML-BSS9
	1.Blutooth Version V3.0;     
	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 ,4400 mah