Specifications:
Model: AS 05M-IPO
With stereo speaker
No need to install software&batteries, with plug and play technology
Charger:
Input: standard mini USB connector,>=DC 5.0V/500mA
It\'s compatible with the mobile phone and PDA charger which accords with the standard
By using a standard mini USB data cable, connect to computer or standard power adaptor or apple USB power adaptor for iPod charger

We uploaded a video at youtube channel, please check and welcome any comment:
http://www.youtube.com/watch?v=Rw2Bq_0UecY