Keychron K4 - Disable Auto Sleep Mode

7
Multimedia keys
F1 – F12
Function Keys
For mac: Go system settings > Keyboard > and enable the function keys.
*For F5 and F6 as function keys press fn + K + C (for 3 seconds) and use the same
shortcut to switch.
Use F1, F2 keys as standard
function keys
When this option is selected, press
the Fn key to use the special
features printed on each key.
Settings
Keyboard
Enable function keys
Disable Auto Sleep Mode
The keyboard goes to Auto Sleep Mode in 10 minutes of sitting idle to save battery