... ,Alarm Clock and built-in 600mAh battery,SD/MMC/MS,USB flash, MP3,WMA Features Simple and stylish appearance, won the German ... / MS / MMC card / read U disk, supporting MP3/WMA music format Automatically search the entire external memory MP3 files, to support my ... battery life (battery is low, the top will flash the alarm) Standard mini-usb charging port, is compatible with most mobile phone ...