Get the powerful SmartHeat Technology that your aching body needs, even on the go. The Mobile PowerWrap is a portable and convenient way to get the therapeutic heating that you need, when and where you need it. * Comes with a battery pack that can be recharged up to 500 times * Smart connector allows you to easily remove the controller for charging * Maintains even, consistent heating levels for 2 hours * Entire pad is machine-washable * Therapeutic heating area 15% larger than competitive models * Fits up to a 47 inch waist * 2 therapeutic heat settings