specification:
System requirements：Windows95/98/2000/ME/XP/VISTA
Key layout: 85/ 86/87/90Keys
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：367(L)×155(W)×34(H)mm
Weight：445g

Features:
4 multi-media functional key
ultra thin and streamline model
suitable for various language versions
ergonomic design