... Speaker System Music Media Player Amplifier Player Made of high quality fluorescence surface aluminium alloy, elegant and stylish ... from MP3, MP4, PC, Notebook, for loptop,, etc.Supports USB2.0 high speed transmission, fully compatible with USBSupports the ... high capacity rechargable battery, support 10 hours long play.Compact and portable, convenient to carry.Mini Music Vision Frequency Speaker for ...