The inside of the gloves is made of soft warm microplush, which is warm, soft, and comfortable. There are also anti-loss chain links on the outside of the gloves, which are strong and durable to prevent loss.Press the on/off button for 3 seconds to easily adjust three temperatures, red light for high temperature (131-140 Fahrenheit), white for medium temperature (113-131 Fahrenheit),and blue for low temperature (104 Fahrenheit), When you choose the high setting,it automatically maintains a constant temperature when it reaches 131-140 Fahrenheit and automatically adjusts to medium after 5 minutes, keeping you warm.Heated gloves help circulation in the hands and are perfect for all kinds of outdoor activities during the cold winter months.Customized is available.