specification:
System requirements：Windows95/98/2000/ME/XP/VISTA
Key layout: 104/105/106/109Keys
Full travel:3.0±0.3mm
Peak travel: 0.25±0.2mm
Button force: 60±7g
Keystrokes life: 10,000,000 times keys life
Size:474.5(L)X189(W)X34(H)mm
Weight:750g

Features:
Comfortable tactility，anti-striking, wear-resisting
IE multi-function key
Can use in sorts of language versions
Ergonomic design
2.4GHz radio frequency technology