HERR, ABUT HERBERT 120%20M EH Low power indicate Tha mouse has low power Indicator, wham the post Is nearly used up, | the LED will flash to remind you to replace the battery. op 4a Olin 43 Hots Nol Gh ei On/Off switch On the bottom of the moss, there is 8 GR/OR switch. When you are aggravating or an a plans or stop using it for a long teems, pleads switch ditto Off fo save power. Wuhan reuses It, you ends to switch Battery Disposal Don't throw away the batteries into the fire.