How to unplug the battery of the Light Up Christmas Sweaters?
Just take the white battery box out of the small pocket and disconnect it from the cable coming out from inside the sweater.
Remember that you don't have to remove the cable or the lights from the inside the sweater to wash it.
Once washed, wait until the sweater is completely dry before plugging the battery back in.
How to replace the batteries of Light Up Christmas Sweater?
To change the batteries you have to remove the white battery box from the inside pocket of the sweater. Pulling as shown in the video, the battery box should open easily.
Now all you have to do is remove the old batteries and insert the new ones in the same position as the old ones.