*Full function mousepad usb hubs *12 digital calculator *Mini speaker,FM radio optional *4 port usb hubs *OEM logo Hot selling ... promotinal gift mousepad usb hubs with speaker, calculator Function:5 USB HUBS (one in, four out)12-digital arithmeticMemory Calculation: ... (provided), the blue moodlight is ON. The other four USB hubs can be connected with other computer accessories to operate the ...