Boox Color Series User Manual page 132

Screensaver
The screensaver and shutdown image can be customizable. The shutdown
.
image only supports image formats
Screensaver style
The Image Screensaver is by default.
The screensaver supports Image Screensaver, Poem Screensaver, Words
Screensaver, Calendar Screensaver, Clock Screensaver，and Transparent
Screensaver.
The clock, text, and Bottom Status Bar can be added to the other
screensavers aside from the Transparent Screensaver.
In Image Screensaver, when a single picture is selected, the screensaver
is a fixed picture. When multiple pictures are selected, the screensaver
will be shown in carousel format;
The Bottom Status Bar can display the battery status and lock screen
status;