USB wristband,Silicone USB wristband with excellant quality, bracelet usb drive, speedy delivery time, best service! Silicone USB wristband, promotion gifts, usb band,silicone usb bracelet 1) Adopt USB 1.1 / 2.0 port and support plug and play 2) No need for external power supply 3) Storage capacity: 512MB, 1GB, 2GB, 4GB, 8GB 4) Compatible with the operation systems of Windows 98 / SE / ME / 2000 ...