usb duplicator

1.Material:ABS                                             2.4 USB interface 1.1 and 2.0 versions                                    3.Free to insert Udisk,MP3,SD and other digital equipment 

Product Size: 6.8*6.8*1.6CMQty:  120 PCS/CTNG.W./N.W.:10.8/9.8 KGSCtn Meas.  :33*43.5*44CMPacking:Blister  Box

duplicator usb hub 4 port driver