Datasheet:

     Material: Aluminium Alloy Housing and plastic body
    Size: 54 x 18 x 10 mm
    Color: black, blue, red
    Capacity: 64MB to 4GB-- 1.1/2.0version

 
   IBM PC / AT or compatible Desktop or Notebook or Mac computer with USB port
  USB interface, driveless, hot plug&play,
  Small, light, shockproof and moistureproof
  No driver is required (except Windows98)                                                                       

  Support flash ROM
  Read transfer: over 900KB/second, Write transfer: 600KB/second
  Large capacities: 32MB/64MB/128MB/256MB/512MB/1GB
  Small, light
  Write / delete protection switch
  LED indicator when the Pen Drive is in use
  No external power is required, powered by USB bus
  Durable solid-state storage, more than 10 years data retention