When turning the mouse on or waking the mouse up from sleep, the mouse wheel will blink either Green, Yellow, or Red, depending on the battery level.
- For 100% - 11% battery: Mouse will blink Green three times.
- For 10% - 6% battery: Mouse will blink Yellow three times.
- For 5% - 0% battery: Mouse will blink Red six times.
When the battery level is between 5% and 0% during active use, the scroll wheel will blink red six times every two minutes.