... unimpeded support TFcard . Rechargeable Li-ion Battery mini digital sound box speaker aluminum housing1. Powered via: Built-in ... Audio Source: TF card,PC,MP3,MP4,MD,CD,DVD player, Mobile phone,etc 8. Switch available, ... enjoy your music!you can also insert the mini usb port into the audio driver,the other ... frequency for PC,music mobile phnone,Mp3,Mp4,CD,palm players and other portable fixtures. 1. ...