1.Free Keyring 2.Free Prload File 3.Value Added Services 4.100% Real Capacity 1 Year Warranty christmas usb UA157 Real Capacity No Fake No 2nd Hand christmas usb Function Characteristics:Available memory: 32mb, 64mb, 128mb, 256mb, 512mb, 1gb, 2gb, 4gb, 8gb, 16gb, 32gb, 64gb.Interface: High-Speed USB 2.0, down compatible to USB 1.0 and 1.1Data retention: Over 10 yearsPlug & Play: No driver needed ...