2 ms·I've no idea I'm afraid, I've never tried as it's so quick and seamless to use.by drcongo 8mo agoI've no idea I'm afraid, I've never tried as it's so quick and seamless to use.bombcar 8mo agoOn phone it's no issue to use FaceID, but my laptop and desk setup is such that I have to reach my arm over to use it. Oh, the humanity!drcongo 8mo agoThat sounds awful, you have my full sympathy.