Specification :

Features :
* The portable amplified speaker system, fashionable enclosure with special.
* Graceful mediant and crystal clear theable.
* Magnetically shislded desing allows a free location of the speakers without interference to monitors its suitable for SD AUDIO player, etc.
* Support USB Flash Disk, SD Card, MP4, MP3, PC, IPOD, and handphone.

Specifications :
* Output : 3.7V* 1000MA
* Input : 5.0V
* Frequency Response : 150-18000Hz
* Driver Unit : 40mmx2/ 4 ohm
* Signal to Noise Ratio : > 70dB
* Power Supply : DC 5V-800MA
* Battery : Li-ion Batt ( Built-in rechargeable)