... PVC/silicon, metal, wood/bamboo for choiceLogo Printingsilk printing, embossing, hot stamping, full color printing, laser engraving and ... protection,space partitionInterfaceUSB2.0BatteryNo need battery is real Plug-and-playOperating systemFree for all system except Win98 (need ... (-2085)CertificateCE, FCC, RoHSWarranty3 yearhigh-quality silicone usb cover Material100% silicone; It's harmless, non-toxic, ...