Glovii GS2 7V Battery Heated Ski Gloves Heating element: efficient 7.4V lithium ion battery, 2200 mAh with microprocessor mode control. The heating element made of carbon fibres is placed on the outside of the hand. Modes: 25% - up to 8 hours of work, 50% - up to 5 hours of work, 75% - up to 3 hours of work, 100% - up to 2 hours of work Trimming: waterproof Hypora membrane, Thinsulate fabric, Polartec tricot, eco-leather gussets, a battery compartment closed with a zipper, adjustable band Other specifications: weight with battery: 450g, built-in mode indicator, built-in 4-way battery level indicator, charging time: 4-6 hours, warranty: 1 year The set includes: heated gloves with the heating element  1 pair, batteries for gloves: 2 pieces, battery charger with the EU and US plugs (110-230 V) - 1 piece