Heating Insoles Rechargeable Heating Insoles Warm Insoles Suitable For Fishing Hiking Camping Unisex Features: The is made of velvet fabric, which is elegant in color, and easy to fade. It is soft and comfortable, keeps warm at constant temperature, and feels and shiny like velvet. The sole is made of imported foam, which has the functions of breathability, sweat absorption, deodorization, resistance, and good cushioning, making the feet healthily and more comfortable The sole of the foot is the main heating area, and the back has a built-in rechargeable lithium battery, remote control receiving circuit and charging protection circuit The size line the front of the insole allows you to compare the size of your feet to choose the corresponding large or small size, and accurately cut along the size line, and it is prohibited to cut the area within the size line Press the remote control key, the remote control LED flashes once, the insole LED goes out, and the insole stops working. If the remote control is accidentally lost, it can be controlled by the beside the charging port of the insole Product Description: Material: plastic plus carbon fiber Weight: 110g Temperature: 50 degrees 1. Improve cold feet, the carbon fiber material generates heat, effectively stimulates circulation in the feet, and helps resist cold weather! 2. It is a must-have for outdoor workers, winter travelers, the elderly, and people who are afraid of cold. Package includes: 2x insoles