Magical higher power speaker Rechargeable 2-Channel Mobile Interaction Amplifying Speaker for  Samsung Galaxy S IV 
1) Total Power: 2 x 3W

2) Impedance 4ohm

3) Signal to Noise Ratio(SNR) >75db

4) Sensitivity 85dB

5) Channels 2

6) Power Supply Rechargeable

7) Built-in Battery: 3.7V 600mAh

8) Interface Micro USB

9) Other Features No configuration such as paring or  needed; Automatically amplifies the sound from mobiles.

10) Dimensions: 158 x 100 x 66mm

11) Weight: 330g
 All the products have high quality and Wholesale price and  customize every style as your demands.

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