... pad, play music, 4 port usb 1.1 hub, 2 stereo speaker 1,USB1.1 compatible, support data tansfer rate of ... support up to 127Hi-speed devices.5,comes with 2 stereo speaker with 3.5mm plug.6,power on/off ... direct talk on internet.10, used as mouse pad11, black compact panel and smooth surface suitable for all mechanical and optional ... adapter(no included) USB1.1 music mouse pad 2 stereo speaker Mic 4 hub