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The top lifts off to access the battery compartment.
Sorry, there was a problem. Please try again later.Lift the pointed edge of the darker black plastic piece on top of the mouse.
Sorry, there was a problem. Please try again later.The top decorative panel lifts off and take the piece out that is on top of the batteries.
Sorry, there was a problem. Please try again later.The top cover snaps off where it comes to a point at the top. I just use my finger nail to pop it open.
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