Complex sentence: A new "Always On" functionality displays a clock, calendar and notifications on-screen when the device is in standby; the display is turned off completely if the device's proximity sensor detects that it is in an enclosed space such as a pocket.
Split into simpler sentences: A new "Always On" functionality displays a clock, calendar, and notifications on-screen when the device is in standby. The display is turned off completely if the device's proximity sensor detects that it is in an enclosed space such as a pocket.