... " touch screen) over 90% of the touch sensitive area Response Speed 16ms (two-point touch)MechanicalTouch durabilityUnlimitedSampling rate60PT/sTouch Activation ForceNo ... , air discharge 15KV Agency ApprovalsCE,FCC Class BInterfaceUSB2.0(full-speed)Operating SystemWin 7/ XP/ Vista, Linux, Mac OS XLife time5 ...