1. System requirements:
   Windows95/98/2000/ME/XP/VISTA
2. Key layout: 103/104/105/106/108/ Keys
3. Full travel:3.0+/-0.3mm
4. Peak travel:0.25+/-0.2mm
5. Button force:57+/-7g
6. Keystrokes life:10,000,000 times keys life
7. Size:445.8(L)X179(W)X20(H)mm
8. Weight:510g

Features:

1. Reliable soft circuit technology
2. Apply a variety of languages
3. Durable,Waterproof design
4. Comfortable zero tilt design
5. Support for Windows Vista