1.Number of porst:1(input) 4(output)                             
2.Transferspeed:480Mbps(USB2.0/HS),12Mbps(USB1.1/FS)1.5Mbps(USB1.1/LS)                                             
3.Current consumption:500mA                                                                         4.Features :lndividual power light indicator                                   5.Dimension:W56xD56xH17mm                                                                                   6.Remarks: Power adapter/Extra 1.0m USB cable affached