... door ship worldwide Factory direct sale Doctor shape bespoke usb flash driveCapacity: 256MB, 512MB, 1GB, 2GB, 4GB, ... 8GB, 16GB, 32GB Interface: Hi-Speed USB 2.0 Standard Color: PMS color match Material: PVC ... Driver: Required only for Windows98/95 Power: USB powered.No external power is required. LED Indicator ... : 3 years Doctor shape bespoke usb flash drive, OEM customized shape usb flash disk