1. After opening the TT voice software on your mobile phone and entering the interface, click a character icon in the lower right corner to enter the personal center interface, and then click the three horizontal lines icon in the upper right corner.

2. At this time, a menu window will pop up on the right side of the page, click and select "Voice Ball Settings" in it.

3. When you come to the voice ball interface, a window will pop up. Click "Turn on floating ball permissions" in it.

4. After jumping to the TT voice application interface, click the switch button behind "Show on top of other applications" and set the button to a colored on state.

The above are the details of how to activate the voice ball in TT Voice. I hope it will be helpful to you.