Tattoo SuperStick User Manual page 12

Power Saving Mode
If no operation is performed on the Tattoo SuperStick within a preset
period, the screen turns off. Press any key to light up the screen.
If the Tattoo SuperStick is powered by the battery only, choose whether
to enable the Tattoo SuperStick to turn off Wi-Fi automatically. If this
function is enabled and no Wi-Fi devices access the Tattoo SuperStick for
a preset period, the Tattoo SuperStick turns off Wi-Fi automatically. You
can press any key to turn on Wi-Fi again.
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