Features: USB 2.0 high speed specification Backward compatible with USB 1.1 1GB/2GB/4GB/8GB/16GB (optional) Read speed is up to 13 Mbps Write speed is up to 3 Mbps Unique swivel design Lightweight and compact design PC and Mac compatible Replacement for your floppy disks, Zip drives and CD-R's Support for Windows and Mac OS True Plug and Play (powered by your PC)  2 year warranty Color: yellow, blue, orange, pink, green, purple, black, white,red Specifications: Size : 70mm x 9mm x 18mm Op. Voltage : 2.7V~3.6V Op. Temperature : 0°C to 60°C N.Weight : 15g System Requirements: USB Port (USB 2.0 for hi-speed data transfer) Windows ME/2000/XP/Vista Mac OS 8.6 or higher