The ActionHeat AA battery heated mittens are great for any outdoor activity. With an easy on/off button, it's easy to add warmth and keep your hands nice and toasty. ActionHeat battery heated apparel utilizes innovative technology designed to warm the core body temperature. These revolutionary garments feature built-in heating panels and are made with Action-Flex material that provides lightweight warmth, comfort, and versatility. ActionHeat heated garments use FAR infrared heating and ActionWave heat reflective technology to deliver hours of heat and comfort. ActionHeat allows you to stay warming and enjoy outdoor winter activities longer than ever before. The AA mittens are perfect for walking the dog, shoveling snow, going to a ballgame, hunting or fishing, or any outdoor activities. HOW TO USE: Power Up – Insert (3) AA batteries into each power pack Plug-In – Connect the power pack to the mitten Turn On – To activate heat, click the red button to turn on Features: Weather resistant softshell & cozy fleece lining provides warmth, comfort, and versatility Strategically placed heating elements use ultra-fine fibers for optimal heating performance An integrated heating system located on the back of the hand Heating panels encapsulated with a thermal seal provides additional durability & moisture protection Adjustable gauntlet strap Estimated Heating Times: High (Red): 120F - 4+ Hours Material Contents: Weather-resistant fleece lined softshell A layer of advanced Thinsulate insulation A thermal seal provides the heating system with durability & moisture protection Includes: (2) ActionHeat Heated mittens (2) Power packs (Batteries Not Included)