USB Hub , 4 ports HUB, optional USB 1.1 or 2.0, Show picture or advertising sheet round the pen holder, ... , card reader, bluetooth dongle, hdmi cable, wireless usb hub, usb 2.0 hub, light usb hub, fan usb hub, wheel hub ... with Speaker1) 4 ports HUB, optional USB 1.1 or 2.02) Blue light(other colors are optional)3) Show picture or ...