Amazfit Watch faces

Hi guys. I would like to confirm if there is a way to turn "off" the power of the trex? This is in case i want to use my other watches.

Also, is the bluetooth always "on"
Or can it be turned "off" too?

Thanks in advance.

No offense to any members here. This is what I did. I choose the watch faces that I like and marked them as favorites. Then I DL amaztools and synced my watch. I went to AW and clicked on the arrow going down symbol and copy to the Amaztools app. You have to be patient with it. Sometimes, you have ...