Just slip the battery unit/heating pad controller into the pad's side pocket, adjust the strap to fit, and enjoy hands-free pain relief.
leading single-use heated pain relief solution **as compared to Model 731-510 * Clinically Proven: Heat is clinically proven to relieve pain associated with muscle tension and stress * High-Level Heat: Heat increases blood flow to accelerate tissue healing and relax sore muscles associated with muscle tension and stress * Convenient Features: 2-hour auto-shutoff; plus, the luxurious Micromink pad and adjustable strap are fully machine washable and dryer-safe for easy care—just remove the battery * Moist Heat Option: Spray fabric with water for deep, penetrating pain relief * HSA/FSA Eligible * UL Certified, FDA registered Class II Medical Device The pad heats up fast so you can feel the heat in 30 seconds and offers 3 heat settings for customized treatment. * Portable Pain Relief: 9.