... USB 1.100% silicone USB wristband with FDA, PAHS approved 2.Fashionable, utility,flexile 3.Colorful 4.Friendly Silicone USB1.Storage:1/2/4 ... 2.Material:silicone 3.Shipping : DHL,UPS,Fedex, EMS 4.Certificate: CE,FCC,ROHS 5.MOQ:100PCS Capacities :1GB/2GB ... warrantyTransfer Rate :Hi-Speed USB 2.0 Certified, Compatible USB 1.1Compatibility :PC,Notebook,Macintosh with usb portOperating System :Windows 7/ ...