... with devices:Mobile Phone,MP3, MP4,TF Card, SD Card,DC player, U flash disk .be recharge .exrenal battery zlm-N930 USB ... to carry- Support double decoding(mp3/WMA), USB-host and Micro SD- Supply HIFI sound ... , low power dissipation - Support by connecting with U disk and inserting Micro SD card, MP3 ... The machine search radio station - be changed by USB power line (DC5V) - Charging indicator: light goes ...