1) USB: 1.1/2.0 interface, support hot plug & play 2) LCD screen, no external power is required 3) Capacity: 32M　64M　128M　256M　512M 4) Support multi operation WIN98/SE/ME/2000/XP。Over LIUXCORE2.4 version (WIN98 need install diver procedure 5) Electronic storage interface, no mechanical components, shake protection, electromagnetic wave protection 6) Write/delete protection switch 7) PC compatible, Mac compatible with USB interface 8) reading and writing are quick: USB：1.1. Input: 860KB/s output: 960KB/s 2.0: input: 11MB/s output: 12MB/s 9) it is easily to carry