Keychron M3 - Report Rate Indicators; Factory Reset Procedure

Report Rate indicator
*Report Rate = Polling Rate
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How to factory reset
Hold down both the "DPI button" and "Report rate button" for 4 seconds, and all the LED lights on the mouse will blink. It will
blink three times to indicate that the factory reset is successful.
simultaneously hold for 4 seconds
(starts factory reset)