Logitech M650 Signature Mouse

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Check the battery level

1.When the battery level is between 5% and 100%, the battery status LED will light up green for 5 seconds.
2. When the battery level is below 5%, the battery status LED will light up red for 5 seconds then pulse for another 3 minutes.
Please note: the battery status LED will pulse red when the mouse wakes from deep sleep after 2 hours of inactivity. A 100% charge will last approximately one month of average use.