specification:
System requirements：Windows95/98/2000/ME/XP/VISTA
Key layout: 107/108/109/112 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：446(L)×148(W)×28(H)mm
Weight：500g

Features:
3 ACPI power management keys: sleep, wake up, power features
Reliable soft circuit technology
Apply a variety of languages
Ergonomic design