Remove the batteries from the dock by pushing the tab at the bottom of the dock in the direction of the arrow and lift up, opening the battery lid. Replace with two AAA batteries in the correct direction (+/-) and close the lid.
Remove the batteries from the dock by pushing the tab at the bottom of the dock in the direction of the arrow and lift up, opening the battery lid. Replace with two AAA batteries in the correct direction (+/-) and close the lid.