Remote controller USB interface ,multicolor Portable card reader speaker Stereo Features1 2.0Stereo Speaker,can be connected to USB ports directly2 Plug&play ,no outer power needed;3 Can speak out whatever in the cards4 Speaker made from rubber,with a clear,delicate voice,no noise.It will give you a heart touch feeling,just enjoy! HUB Features1 Adds 5 USB 2.0 Hi-speed ports;2 Fully compliant with ...