1:mini portable ,
2:Super AntiAbrasion even with coin.
3:Voice is huge
4:our factory produce.

This is our factory  newest designes we are looking for great cooperators in the wrold market as promotion products. 

Material: Aluminium Alloy 
Rated power(W) :2.8Wx2
Frequency Response :150Hz-20KHz
Power :Through USB port
Audio Source :Mini USB
Color :Silver, Black, Pink, Green, Blue, Orange, and etc.(Customised)
SNR: ≥85dB
Speaker :40mm full rangex2
Speaker Impedance: 4Ω
Dimension :130mm X 50mm X 30mm 
Weight :150g