... RHOS 3.Shipping: DHL,UPS,FEDEX,EMS USB Flah Drive usb flash driveMaterial:silicon,stainless,wooden,abs,pvc,leather ... compliantOther requriments:hot stamping,embossing,laser engraving,silk screen logo printing are availablePacking: blister,PVC bag,color box ... years warrantyFeaturesCapless switch-style designTransfer RateHi-Speed USB 2.0 Certified, Compatible USB 1.1Operation SystemWindows 7/ Vista /XP / ...