1. compatibility: PC, Netbook or Maciontosh with USB port 2.Operation System: Windows vista/xp/2000/ME/98/95 or Mac. OS9.1 and above 3.Drivers: Required only for Windows 98/95, online download available 4.Transfer rate: High speed 2.0 USB 5. Read and Write speed: 3 to 5 MB/S 6. printed logo: 4 colours 7. Free for logo design 8. Warranty: 5 years 9.Payment: T/T and Western Union 10.Delivery time: 3 to 5 days after confirmed the payment 11.Delivery mothod: DHL. UPS and so on