Due to its brand-new technology, the heated glove HEAT.GTX warms better, longer and with less weight. The maximum heating period is 12 hours. The high-quality lithium-ion batteries weigh a mere 50 grams and are invisible and imperceptible within the glove. " Impulse Control" stimulates blood circulation to the fingertips. Using the function keys +/- on the upper-hand side, one of three heat settings can be selected and are shown on the LEDs. The batteries offer high performance in extreme temperatures and are waterproof as well as shock-resistant. The supplied charger recharges the batteries over night.