features: 1.function: storage usb, laser point, writing 2. capacities: 512mb, 1gb, 2gb, 4gb, 8gb and 16gb 3. usb interface: usb 1.1 and 2.0 4. operation system: no drivers in windows me, 2000, xp, mac os 9.x+ and linux 2.4.x+ 5. language supported: english, chinese, japanese, korean, french, italian, german and spanish 6. data content and logo printing services are available 7. operates without external power adapter 8. more than 10 years of data retention tag:usb disk, flash usb disk, usb storage drive