Battery Operated Heating Vest (w/rechargeable li-ion batteries) Characteristics: * The super-conductive stainless steel conserves electricity and can be folded, washed * The warmth produced by the Far-Infrared promotes blood flow * The two lithium batteries are re-chargeable and easy to carry * The heat producing, low electric current is safe and easy to use Benefits: l Far-Infrared improves circulation l Promotes muscle relaxation and may aid in avoiding a pulled muscle l Eases the pain of injured muscles or joints l Provides protection against cold winter temperatures