... for optional Customized PVC OEM shape usb Specifications:Supports USB full-speed (17Mbps) transmissionWindows Me/2000/XP, Linux 2.4.x, Mac ... reading and writing speedUSB 2.0: high reading and writing speed 15Mbps and 17MbpsCapacity: 256MB,512MB,1GB,2GB,4GB,8GB,16GB ...