... , 1G, 2G, 4G 2) Both USB 1.1 and 2.0 available Production Description of USB bracelet : (1) Material :100% silicon ... , 1G, 2G, 4G(5) Both USB 1.1 and 2.0 available(6) Driverless installation in Windows 98, 2000, XP, Vista ... and Mac. OS 9.0(7) Packing : Inner : Inner packing: 1pcs/ plastic bag; Outer packing ...