... colors for optional OEM PVC ball usbSpecifications:Supports USB full-speed (17Mbps) transmissionWindows Me/2000/XP, Linux 2.4.x, Mac ... displayWrite protection switchHigh reading and writing speedUSB 2.0: high reading and writing speed 15Mbps and 17MbpsCapacity: 256MB,512MB,1GB,2GB,4GB ... : 20% ~ 93%Warranty:5 years warranty Oem Pvc Ball Usb Flash Drive