Specifications
A.mini mobile SD card speaker
B.Digital amplifier
C.plug it can play music and charged
D.battery or power source
E.OEM

1.portable SD card speaker,mp3 speakers,computer speakers
2.Connect to your MP3 MP4 CD DVD iPod, computer mobile phone
3. mobile and ipod  can be charged
4.U-disk/SD can broadcast music by plug in straightly, support MP3 format music, with FM
5.Lightweight, compact design for easy transport when playing by plug it directly
6.No battery or power supply is required
7.Stable speaker to set up base on the desktop
8.Interated ,readily achievable volume control switch
9.High efficiency class-D professional digital video amplifier 3D sound effect.
10.The outlook is gyroidal in special style, it is larruping. Adapt to different kinds of device, such as laptop, mp3,mp4,CD,mobile phone
 
Specifications:

*U-disk/SD can broadcast music by plug in straightly, support MP3 format music, with FM 
*U disk/SD + MP3 format + FM
*Power Supply : (1) DC 6V /1000mA  adopter(W/O);  
                             (2)USB 5V Cable(with) from computer;  
*Output: Rms 6W(3W*2)
*Respond frequency:150-18000HZ
*SNR: ≥80db