If you have an Apple TV 4 in range of your Wi - Fi or Bluetooth
based HomeKit accessories, you can
control them through basic automations like setting
devices to turn on at a set time or when a sensor detects
motion without the need to have the phone on, or even in your possession.
In summary, the smart ring could sense finger pose and / or fine - grained subtle fingertip
motion from the finger
base, which enables readily - available finger
control input with a
device that looks and feels like an ordinary ring.