FIR heated gloves with far infrared technology Features: With FIR carbon fiber inside the heating pad.With 7.4V/1900 mAh intelligent Li-on battery and charger.Stylish design. Advantages: 1. Long working time Heated by powerful Li-on battery, the insole can heat for 4-8 hours each time after being charged fully depending on the temperature you request. 2. Long lifespan The battery can be recharged for more than 500 times. 3. Light and small, easy to carry With a weight of only 89 g, the battery is very light and small. You can put it into your pocket easily. 4.Adjustable temperature By setting the power at High or Low level, you can set the temperature from 38 to 46 °C as per your request. 5.Foldable and easy to clean The heating pad is foldable since the carbon wire inside it is very soft and foldable. Besides, the gloves is easy to clean by just scrubbing it with a wet towel. 6.Waterproof and ventilate The surface material is waterproof and ventilate and therefore very comfortalbe to wear. Benefit: 1.Keep warm in winter time 2.Therapy function In addition to heating, the FIR energy has also therapy function. By absorbing the energy eradiated by Far Infrared Ray, it will promote the blood circulation in your body and therefore accelerate the metabolism in your body, alleviate pain and eliminating inflammation.