The ZANIER Heat Technology is based on highly developed textile heat elements and a unique electronic control system. The robust lithium ion batteries which weigh just 60 g provide heat at three different levels for up to ten hours. They are concealed in the HOT.STX cuff and you can hardly feel them. The gloves' heating system is easy to operate with a single switch on the white battery. Zanier Heated Gloves Include:2pc 7V 2600mAh Lithium-ion Rechargeable BatteryDual Charging CordDetailed InstructionsManufacturer's 1 Year Warranty The flame shaped light shows the chosen heating level (yellow, orange, red) and shines through the transparent upper material. The supplied USB charger unit recharges the batteries overnight. The gloves' heating system is robust and even withstands hard knocks. The model can also be used without heating and offers a TOUCH function on index finger and thumb. The incorporated ecological Sympatex membrane functions as effective protection against the cold and rain and offers optimum breathability. ALU ARMOR, an aluminium layer on the membrane, also provides perfect thermal insulation in the glove. High-quality materials such as the finest goatskin and 4-way stretch also contribute to maximum comfort. Thanks to the incorporated inner glove, the HOT.STX mittens promise exceptional freedom of movement.Features:Shell: 4-way-stretch, goatskin, silicone printPalm: Goatskin, silicone printPartner Technologies: THINSULATE SympatexZanier Technologies: Alu-armor Heat Touch Inside Finger LeashMaterial: 4-Wege-Stretch goatskinGender: UnisexType: MittensItem Number: 26048Whether for active winter sports on and off the piste or even at dizzy heights - the models in the current HEAT collection from ZANIER give cold hands and aching fingers no chance. The heating technology in the gloves is based on sophisticated textile heating elements and unique control electronics, which are continuously tested and further developed. Thanks to the proven 3-stage heating technology, the HEAT models guarantee particularly easy handling: on the collar of the upper hand, the LED lamp in flame shape on the battery, which shines through the upper material, signals the respective heating level through the colors yellow, orange and red , This can be adjusted with a switch directly on the battery depending on the outside temperature and cold feeling - and that for several hours. With the supplied USB charger, the battery, which is available in white for the first time, recharges in the blink of an eye. The new touch function, which can be found in all heatable models, also promises simple operation of smartphones - with gloves on. Zanier HOT.STX Heated Mittens