2.1 radio usb and memory cards speaker With USB/SD card reader With remote control With FM radio With digital VFD display 2.1 radio usb ... .1 muitimedia speaker,5.1 multimedia speaker.2.We can add USB/SD function and FM function on multimedia speaker,Mp3 speaker ... ,home speaker are on the way.5.We can make professional speaker,mini speaker,SD card speaker,hifi speaker,USB speaker,5.1 ...