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: 57±7g
  
• Keystrokes life: over 8,000,000 times keys life
  
• Size：400.5(L)X173(W)X19.3(H)mm
  
• Weight：539g

Features:

• 12 multi-media functional keys
  
• ultra- thin and streamline shape
  
• suitable for various language versions
  
• ergonomic design