SMART & QUICK HEATING---Heated underwears set with 13pcs carbon fiber heating elements(Belly,Shoulder,Waist,Elbow,Th,Knee,Calf)will warm you across core body areas, make you the whole winter no longer cold.TEMPERATURE CONTROL---Winter heating underwears with 5-speed temperature adjustable(40-60),you can be connected to the APP for wireless intelligent temperature control and setting of the heating time.HEATED THERAPY---Thermal underwears can help improve blood circulation, enhance metabolism, activate blood, reduce muscle stiffness, etc.,It is a perfect gift for the elderly, lovers or friends on Thanksgiving and Christmas gifts.BATTERY POWERED---The heating clothes Powered by any 5.0V USB plug powerbanks compatible with the most portable battery in the market,it is very simple and easy ( NOTE: NOT INCLUEDE MOBILE POWER BANK ).SUITABLE SCENES---Heated underwears to keep you warm anywhere/such as enjoy snowmobile,mountain, camping, hiking, skiing,Hunting outdoor activities,or office routine and business try during fall and winter,on the way home and daily wear, etc.