--Nano Electric Transmission
  This tempered glass screen protector is inserted with a special circuit transmission inside,which will link bottom right and left corner area respectively together with the top right and left corner area where the confirm and return button position of the Apple IOS system are located.
--Invisible Button, High Clarity Body
  The Confirm and Return Button are absolutely invisible to provide you high clarity protector appearance, which create real invisible and magical high technology.
--Fast Install and Convenient Use
  NO need for any other app or software as further support.Very convenient to use after being installed.