MENS ELECTRIC THERMAL UNDERWEAR SET Whole body intelligent fever: The Heated thermal underwear is equipped with ８ carbon fiber heating zones ( left & right abdomen, mid-back, waist and left & right Arm). It can heat up your entire core body areas and keep you warm.You can adjust 3 temperature modes by short-pressing the power button (Red, White, Blue). 8 CARBON FIBER HEATING ZONES The Heated jacket is equipped with ８ carbon fiber heating zones ( left & right abdomen, mid-back, Hips, legs, waist and left & right Arm, ). It can heat up your entire core body areas and keep you warm. using carbon fiber heating technology, temperature controllable, quickly reach 50℃/ 122℉ Red light 55℃/131℉ White light 48℃/118℉ Blue light 42℃/108℉ Machine Ｗashable Women's Heated Thermal Underwear Set have been tested and can be machine washed and and time again. USB Interface The electric Thermals Underwear uses a USB interface. This means you can power the thermal underwear with any 5V / 2A power pack. High Elastic Fabric thermal underwear for women have the perfect blend of comfort, warmth, elasticity, and moisture protection. High-quality Carbon Fiber Heating Wire Using carbon fiber heating technology, temperature controllable, quickly reach 50℃/ 122℉