I have the MX Master 2S mouse and I noticed that the battery level management is very lacking. When the mouse is plugged in for re-charging, the driver and application are unable to detect the current level of charge. I have to un-plug the charging cable and re-boot the computer to get the app to read the battery level and update its status. The app or its driver should periodically update the charge level of the battery in the mouse and relay that information accurately whether plugged in or not. I would suggest that you put concerted effort into the power management feature so that the user is always kept well informed of the “real” level of the device battery under all circumstances.