Size: 28cm×23cm×1cm USB line length: 1500mm Work of length: 1300mm HUB power consumption:40MA Package： QTY/CTN.： 20 PCS G.W.： 11 KGS MEAS：62.5*30.8*27CM Features Four 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... Import German PC board ,network video players best choice; Various colour selection; make the magic board of the high printing capacity up multi-functionally the colorful or blue aurora is designed Delicated designed,exquisite appearance,especially agree office using,also can meet desk computer by extend line 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 Certificate Standard：ROHS CE