Description                                                                         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, PMMA surface                                5.Delicate design,easy to connect all kinds of USB device                                                           6. Product color: black                                                                                                  Specification                                                                             Product size: 72*72*20mm                                             box size: 110*75*30mm                                                       Product weight:85g                                                               Packing:100pcs /ctn                                                   Carton size: 32*24*39.5cm                                              G.W.:9.2kg                                                                    N.W.:8.5kg