4 ms·But doesn't work with sunglasses.by Thlom 4y agoBut doesn't work with sunglasses.mjhagen 4y agoYes it does.Thlom 4y agoNot for me. Looks like it might work if I disable "require attention" (weather has been pretty bad this summer, so I don't have my shades close by to test).mjhagen 4y agoI trained it on my face with and without sunglasses. Maybe it has to do with polarization?