... of the following device:A,memory card,such as SD/MMC card,U-Disk,etcB,mobile device,such ... 589 mini portable multimedia speakerinterface:USB,SD card,3.5mm stereo jacksupport resource:U-disk,MMC ... /DC card,PC,MP3/MP4Power supply:DC 5v/Li ... parts ∨ workshop assembly∨ our final advantage:high quality with low price accessories: 3.5mm audio cable:1pcsUSB cable1pcsfunction ...