specification:
System requirements：Windows95/98/2000/ME/XP/VISTA
Key layout: 103/104/105/106/108 Keys
Full travel:3.0±0.3mm
Peak travel: 0.25±0.2mm
Button force: 57±7g
Keystrokes life: over 8,000,000 times keys life
Size：444(L)X168(W)X25.5(H)mm
Weight：510g

Features:
Reliable soft circuit technology
Apply a variety of languages
Durable、Waterproof design
Comfortable zero tilt design
Support for Windows® Vista