1 Pair 5V Insole Heating Plate USB Charging Sheet for Outdoor Warming Transparent color_1 to

Description

--The heating material is - infrared carbon fiber, suitable for hiking, etc. --The heating system powered by USB charging line can circulate heat evenly. --Provide warmth, comfort, safety, especially for outdoors. --Increase blood circulation, help people keep warm, and even release the pain of mild arthritis.