SIZE： 9.0*4.0*2.2CM MEAS： 40X35.5X23CM　　 100PCS/CTN GW： 7KGS NW： 6KGS FOUR USBPORTS USB ports support 2.0 version or 1.1 version Support high-speed 480Mbps, Full-Speed 12Mbps, Low Speed 1.5Mbps Protection for current overload. Support OS:LBM PC/MACM PC / MAC / MAC Fully compatible with all USB devices.E.g. scanner, camera, DV, MP3... Delicated designed,exquisite appearance,especially agree office using,also can meet desk computer by extend line; Import German PC board ,network video players best choice; Various colour selection; Flowery and individual LOGO can be designed 23*18cm,suppliers and distributors can choose it as promoting and advertising gifts; Considerate design,no national bunderies propagandization,wonderful promotion gift