1) USB 2.0 interface 2) Storage capacities: Memory flash 512MB/1GB/2GB/4GB/8GB/16GB(Optional) 3) compatibility: Windows 98/SE, Windows ME, Windows 2000/XP, Mac OS 9.X or later, Linux 2.4 or later. 4) No driver installation needed, only Win 98SE need driver. 5) Speed: Read: 8MB(2.0) Write:3MB(2.0) 6) LED indicator 7) Deft configuration, shockproof and moisture-proof 8) Hot plug-and-play 9) Over ten years data retention. Size: 87*55*6mm Weight: 14g.