Bulb shape USB Flash Drive 1.capacity :from 256MB to 16GB l 2. cetification: FCC,CE,RHOS 3.Shipping: DHL,UPS, ... /XP,Mac.9.0 or above6,Hot plug&play8,High read&write speed:12MKB/6KB9,Certificate:CE,FCC10,Usb flash drive with ROHS ... )WarrantyThree- years warrantyFeaturesCapless switch-style designTransfer RateHi-Speed USB 2.0 Certified, Compatible USB 1.1Operation SystemWindows 7/ Vista /XP /2000 ...