1) pen-shape usb: used as ball pen which can be fluently written, with exchangeable standard pen core, durable and environment-friendly

2) suitable for use with both large capacity computers and small size laptops

3) usb specification: 1.1 / 2.0

4) no requirements for physical drive or external power supply

5) data will not lose if power fails

6) supports windows 98 / 98se / me / 2000 / xp, mas os 9.0 or above, linux

7) automatic os, installs driver system without manual operation

8) high speed
A) usb1.1: 900kb/s and 700kb/s
B) usb2.0: 11mb/s and 12mb/s

9) data retention: 10 years

10) capacity: 64mb, 128mb, 256mb, 512mb, 1gb, 2gb

11) portable, reusable storage device easily transfer data, music and images from computer to computer