The ActionHeat 5V battery heated mittens are the perfect blend of quality, heating performance, and comfort. Using a lightweight textile, the ActionHeat mittens provides circulating warmth and comfort. The heating elements are perfectly positioned along your fingers and thumbs so the heat circulates throughout your entire hand for complete warmth. Slim batteries fit into a discreet pocket on the extended gauntlet for a comfortable fit. The ActionHeat 5V Mittens feature touch-button technology, with 3 easy to use heat settings. The mittens will reach a maximum temperature of 140F and can last up to 5+ hours.