best portable speaker

best portable speaker
TF card speaker, FM radio min speaker
POPULAR SELLING USB SPEAKER

best portable speaker

1.Chip: MVSILICON 6850CA
2.Output: RMS 3W THD = 10%        
3.Input: DC 5V 1A                                                                                                                       

4.Frequency response: 150-18 000HZ(±3dB)
5.Signal Noise Ration: equal or bigger 70dB
6.Speaker: outside diameter 45mm, anti magnetic 4 ohm
7.Line In/Out Jack: Audio input out jack
8.Decode TF card, Flash disk, Mp3 decoding function
9.Built-in dual IC protective plate and 800mA Li-Battery.
10.Support PC and USB charging                                                                                                                      

11.3D surround                                                                                                              

12. LED Flashlight                                                                                                 

 13.Screem show play status