Digital Multi-Functional USB Speaker Colour Flash Mini Speaker BS-95 1,Suppor SD,MMC card,USB, ... ,MP4 2,With FM Digital Multi-Functional USB Speaker Colour Flash Mini Speaker BS-951,Suppor SD,MMC card,USB,mobile ... among SD, MMC cards and USB device, speaker can read devices plugged in intelligently. 4. Speaker "LINE IN" outlet can be ...