Boox Color Series User Manual page 102

Insert a Recording
After tapping the Recording icon, the Recording will start immediately.
The recording progress bar will be shown on the top Toolbar. You can
pause the recording. You can take notes while recording.
After stopping the recording, you can save or delete the recording directly.
You cannot restore the recording after you choose to delete it.
The recording window is floating on the screen. You can long press it and
drag it around on the screen.