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:1. Power Up – Insert (3) Aa batteries into each power pack2. Plug-In – Connect the power pack to the mitten3. Turn On – To activate heat, click the red button to turn on