With some Kospet Optimus Pros there is another problem. There is an App called MTKnoLED.Try this app to solve it:
https://androidfilehost.com/?fid=24499762635999486
Put simply, this app explains to the watch that there are no notification LEDs. Trying to control these LEDs prevents the watch from falling asleep. This consumes a lot of battery.
This app will work without root.