1.It has four USB hub  2.USB2.0,support 480Mbps Max transmission speed 3.Plug and play, support hot plug function 4.Material: ABS shell, Transparent acrylic cover 5.Delicate design,easy to connect all kinds of USB device  6.Turn on the power, it will show colorful slow flash and smooth light. It can be night light during the night.  7.Logo OEM service on 5 light side.  8.System supports:Win95/98/Me/2000/XP/VISTA/Win7,Linux 2.4,MAC OS 8.5 or above version

Product specification    Unit meas:50*50*43mm  Unit weight:83g Pcs/ctn:100pcs/ctn  Ctn meas:38.5*27*34.5cm G.W:9.3kgs N.W:8.3kgs