1) Product name:wristband USB.

2) Dimensions: 7. 5 x 2. 0 x 0. 7cm

3) Memory capacity: 128MB/256MB/512MB/1GB/2GB.

4) USB Interface:USB1.1/USB2.0.

5)  Read-write speed:USB1.1   writing speed: 860KB/S reading the speed: 960KB/S 
                               USB2.0   writing speed: 11MB/S reading the speed: 12MB/S

6) Hot plug-and-play.

7) 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

8) Data Retention: Over 10 years

9) No extra power supply required

10) More than 100000 times of write/read cycle endurance

11)  Accessories: extension USB cable, manual, CD-ROM in gift box.