Tempered glass that protects the mobile phone's glass against frontal impacts and also against prying eyes.
Protection against onlookers horizontally over 180° and vertically over 180°.
Beyond an angle of 30°, in all directions, what is displayed on the screen is invisible.
Sideways privacy for anyone to the left or right, higher or lower, who tries to look at what is displayed on the screen,
360* visual protection in all directions.