notebook speaker, speaker with card reader function

Power Supply:DC 5V/1A              
Output Power:3W*2
Sensitivity: ≥ 75dB
Distortion: 1%
Support Format: MP3、MP4、MP5     
Support: U disk, TF card, MP3, computer  
Power Supply Method: USB5V(Built-in 700mA Li-battery, rechargeable)
Accessory:Remote controller, USB charging cable, audio connection wire  

Specification:

1)High glossy shell, fashion design

2)Can play by connecting to MP3, MP4, mobile phone, notebook.Can play the MP3 file direct from SD/MMC/U disk

3)Widely used by people: Listening to music, learning English, etc..

4)Built-in rechargeable Li-battery, can charged by USB 5V changer or by computer USB.Play time can be 2-3 hours.

5)Remote control function, easy to operate.

6)Panel with EQ function, can play any music effect.