**Power supplier:	DC5V 
**Output power:	3W*2(1KHz,THD10%)
**Frequency:	100Hz - 18KHZ
**Signal&noise ratio:	≥95dB
**Impedance:	4 OHM(Ω)
**Li-ion Output:	3.7V~4.2V+0.05V  
**Li-ion Input:	5V  
**Battery capacity:	1200mah
**Speaker Unit:	40MM*2
**Case Material:	ABS
**Dimensions:	17.6*7.2*3.1CM
**Weight:	 
**Color:	OEM