Women Winter Warmer Electric USB Heating Thermal Underwear Heated Body Set1.Smart electric underwear set: Smart temperature control, 8 carbon fiber heating elements heat the core parts of the body, and heat the shoulders, chest, abdomen, waist, buttocks, elbows, thighs, and calves.2.Powered by any portable 5v/2a usb charger, the usb plug is compatible with most portable chargers on the market.3.It can start heating in 30 seconds, long lasting and long heating time.3-level adjustable temperature with indicator light to adjust the required temperature.4.Safety insulation design, built-in thermal protection module, safety voltage 5v, once overheated, it will stop running until heat returns to standard temperature.5.The safety protection function ensures that the machine is not damaged during washing.6.Warming underwear helps to improve blood circulation, improve metabolism, which is very suitable for people who are afraid of cold, raynaud disease, arthritis, poor blood circulation and stiff joints.7.The best solution for various outdoor activities such as skiing, fishing, jogging, hunting, cycling, hiking, motorcycles, protecting dogs from climbing, running, snow removal, etc.Name: heated thermal underwearColor: black, purpleMaterial:91.1% Polyester + 8.9% Spandex, carbon fiber yarnsizes: M, L, XL, 2XL, 3XL, 4XLHeating temperature: red led 50 , white 45 , blue 35 Power supply: usb power bank (not to include, 10000mah power bank can be heated for about 5-7 hours)Season: autumn, winterThe package includes:1 x heated thermal underwear tops1 x heated thermal pants(Note: power bank not included)