How do i replace batteries in my contour ab belt?

To replace the batteries in your Contour Ab Belt, you will need to locate the battery compartment, typically located on the back of the belt. Open the compartment by either sliding it open or using a screwdriver to remove the cover. Remove the old batteries and replace them with new ones, ensuring they are inserted in the correct orientation as indicated by the markings inside the compartment. Close the compartment securely, and your Contour Ab Belt should now be ready for use with the new batteries.