USB,PDA.Pen or Laser/LED function can optional.

Memory capacity:128MB/256MB/512MB/1GB/2GB

USB Interface:USB1.1/USB2.0.

4pcs AG13 batteries

Hot plug-and-play

Operating System: Windows98/SE. WindowsMe / 2000 / XP, Linux2. 4. X, Mac OS9. 1/Mac OS X, Linux 2. 4. X which support USB mass storage protocol

Data Retention: Over 10 years

Reading Speed: 12MB/S

Writing Speed: 11MB/S

No extra power supply required

More than 100000 times of write/read cycle endurance