1. Build-in compass(DIA20mm)
2. Full compatibility with usb 1.1 and 2.0.
3. Windows Me/2000/xp,mac9.0 or above.
4. Data retention: 10-year minimum.
5. Logo, data preload, autorun, webkey services available
6. Power supplier: USB BUS
7. Material: Leather
8. Weight: 28g
9. Dimension: 112x25x18mm