IonGear Battery Powered Heating Gloves - Keep warm while working or playing in the Cold (SM/MED) Heating elements built-in to gloves - Elements extend along entire finger & back of hand One battery per glove; each battery has multi-level temperature controller - Optional Additional Batteries Available These gloves are perfect for outdoor events like football games, gardening, golfing, biking, hiking and many other cold weather activities! IonGear heated gloves include rechargeable lithium-ion batteries that provide powerful warmth for all of your cold weather activities. These great gloves provide full hand heat all the way to your finger tips. IonGear Gloves Heat Settings: 100%: 135 F 2-3 hrs - 75%: 120 F 4 hours - 50%: 105 F 6 hours - 25%: 90 F 10 hours