specification:
System requirements：Windows95/98/2000/ME/XP/VISTA
Key layout:104/105/106/107/109 Keys
Full travel:3.0±0.3mm
Peak travel: 0.25±0.2mm
Button force: 60±7g
Keystrokes life: over 8,000,000 times keys life
Size：475(L)×189(W)×32(H)mm
Weight：630g

Features:
Laser-carved characters，ultra wear-resisting
all water-proof design
Round shape，fashionable design
Install anti-striking protection pillar where the keys are often used when playing games