The Gerbing Heated Clothing 3-Finger Heated mitten style gloves allow you to have long-lasting heat unmatched flexibility in most weather conditions you might face. Enjoy up to 8 hour of heated comfort which can reach up to 135°F. The 7.4V lithium battery is secured in a pocket on the top side of the gauntlet for increased freedom of motion during almost any outdoor activity. Gauntlet styled mittens 3 Heat ranges up to 135°F Up to 8-hour battery life Comes with 2, 7-volt lithium-ion batteries Wrist strap to ensure a tight seal and keep out the cold Gerbing Heated Clothing Lifetime Warranty