[Effective heating system] This heating shoes use advanced carbon fiber heating technology, which has high thermal energy conversion rate and energy saving. The upper and bottom heating pads make the soles and insoles of the feet heated at the same time. Carbon fiber heating elements can improve the blood circulation of the feet and play a role in maintaining warmth and analgesics.[Temperature adjustable, safe, lasting battery life] Intelligent temperature adjustment switch can control women's heating slippers. With 4000mAh high-performance polymer lithium batteries, it can last for 5 hours, highway 2.5-3 hours, and medium gears for 4 hours. In addition, the working voltage of 5V is much lower than the safety voltage of the human body 62V, so you don't have to worry about an electric shock.[Slowly rebound gel and non -slip waterproof sole] In order to bring a better experience to users, we use slowly rebound gel as the synthesis of the sole, which re -distributes the pressure on the feet so that you can wear these electric shoes It feels very smooth and comfortable. Anti -skid soles can ensure that you stand and walk more smoothly in a wet place. You can wear it when walking outdoors without going to walk violently.[Designed for cold feet and ideal gifts] The good warmth retention effect makes this heating foot can be worn indoors or outdoors. It is especially suitable for learning, work, watching TV or other activities in cold weather. You can give this heating slippers to friends, family members, especially the elderly or fear of Thanksgiving, Christmas and other major holidays. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.