Features : > Compability: INM PC AT MAC > Button Design : 23 bonds > Key Trip : 3.0 -+ 0,3mm > Surcharging height : 0,25 -+ 0,05mm > Max Pressure : 55-+5g > Operating Temperature : 0 - 55 c > Key Life : 800 million and above > Products Size : mm
System Hardware Requipment : > PC with USB 2.0 Port > Windows 8 / 7 / Vista / XP, > MAC OS 10,4 Above