... Lin-ion 4.USB cable/remote contr Features:This sd card sound box can link to MP3, MP4, Notebook, CD, DVD ... .1)Support SD/USB/SMM card, Auto play function2)with Aux-in connection, support: MP3/MP4, computer, music mobile & iPod, etc3)Stereo ... sound4)High-efficiency digital Amplifier, enjoy pure and beautyful music 5)Music styles of Classic/Jazz/Pop/Rock/Bass6)Portable speaker, a ...