Wowhomeshop Telefingers Gloves Rechargeable Li-ion Battery Heated Thermal Warming Electric Gloves Waterproof Wind-resistant Ski Snowboard Gloves for Winter Sporting (Black PU) Telefingers Gloves Rechargeable Li-ion Battery Heated Thermal Warming Electric Gloves Waterproof Wind-resistant Ski Snowboard Gloves for Winter Sporting Waterproof and wind-resistant, fashion and classic design. No More Heavy Dry Batteries, No More Repeating Fee of Dry Battery again Humanized design with a holding temperature of 35-45, suitable for the human body, thermal for fingers and hand back Note:The highest temperature only reach 45, maybe everyone's feeling with temperature is not the same Battery capacity: 3.7v/4400MAH Li-ion, continue working around 3-4 hrs with fully rechargeable Batteries