winter outdoor Induction heating warm insoles 1. MCU control. 2. External controller 3. Keep warm in cold weather Model NO.: KM-IU03Item Name: winter outdoor Induction heating warm insoles Size: 36 ~ 48Color : Black, Red, Orange, Yellow, White, Pink, Green, Blue, Purple, Grey, etc.Material : EVA+Velvet (Material and Fabric can be customized) Features:1.motion-sensing heating warm insoles2. MCU ...