The ActionHeat AA battery heated fleece scarf is great for any outdoor activity. With an easy on/off button, it's easy to add warmth and keep your neck and shoulders nice and toasty. With comfortable fleece pockets, your hands will stay warm as well. 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 warm and enjoy outdoor winter activities longer than ever before. The AA heated scarf is perfect for walking the dog, shoveling snow, going to a ballgame, hunting, 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 scarfTurn On – To activate heat, click the red button. Material Contents: Weather-resistant plush fleece, a layer of advanced Thinsulate insulation, a thermal seal provides the heating system with durability & moisture protection.