Heated Mittens heated 3.5-8 Hours & Temp Up to 109F-149ºF & The Best Waterproof Windproof Heated Gloves Total Palm Anti-slip Design -- The Heated Mittens total palm are made has strong ant-slip ability to hold the heavy items. Double Windproof Design -- Double adjustable wrist design of Heated Mittens can help anti lost,and windproof,keep heat. 3000 mAh Strong Battery Heated Mittens -- SHAALEK Heated Mittens 3000 mAh Strong Battery can heated 3.5-8 Hours & Temp Up to 109F-149ºF 5 Level Temperature Seting Waterproof Zip -- Protect batteries harm by any water and moist. Package Include: 1 × Pair of Heated Gloves 2 × Batteries 1 × Charger 1 × Manual 1 × Gift Box