How do I adjust the display brightness of the Noise Explorer 2smartwatch?

Swipe down from the home screen and set the brightness as per your preference.

 

How do I change the watch face of Noise Explorer 2smartwatch?

You can change the watch face of the Noise Explorer 2smartwatch from the Noise Explorer app.

On the Noise Explorer app, go to Device Setting, select watch face, tap 'Watch Face & Wallpaper' and choose.