1.Dimension:60x30x10mm 2.Capacity: 64MB/ 128MB/ 256MB/ 512MB/ 1GB/ 2GB 3.Driving program: Only in Windows98/Se system need to install driving program. 4.USB Host Interface: Universal Serial Bus 1.0/1.1/2.0. 5.Hardware: IBM PC or Compatible PC or Notebook with USB interface 6.Operating system: support win98/98SE/ ME/2000/XP/MAC OS/Linux and higher 7.Using Times: Erase-and-write cycle Over 1,000,000 Times 8.Reading/Writing Speed: .(USB 1.1) write up to 887 kbyte/sec and read up to 1043kbyte/sec, .(USB 2.0) write up to 2.2 Mbyte/sec and read up to 9.0 Mbyte/sec 9.High performance: .Hot plug-and-play .Support booting up and security features .NAND Flash Memories .Shockproof , moisture-proof and more than 10 year data retention .Accessories:CD Drive,Connection Wire,Lanyard,User Manual