Feature:1. Activates various functions between skin and promotes metabolism.2. Vitality restoration: it provides deeper adjustment of physiological functions to avoids sub-health state and restore the vitality.3. Set the temperature you want to respond to a variety of environments.4. A button to heating, three stall temperature control, intelligent heating.5. General USB interface, longer service time.6. Comfortable and breathable, and it\u0027s a nice partner for your winter going out.Specification:This is a heating mat that can be powered by a portable powerbank(not included), making it a perfect accessory for Winter outdoor camping, hiking, fishing, etc. One button for 3 heating settings, made of soft skin-friendly material which ensures smooth and comfortable feeling.Features:Activates various functions between skin and promotes metabolism.Vitality restoration: it provides deeper adjustment of physiological functions to avoids sub-health state and restore the vitality.Set the temperature you want to respond to a variety of environments.A button to heating, three stall temperature control, intelligent heating.General USB interface, longer service time.Comfortable and breathable, and it's a nice partner for your winter going out.Specifictions:Size: XL, 2XL, 3XL, 4XL, 5XL, 6XL, 7XL (optional)Color: blackMain material: polyesterInterface: USBTemperature shift:Warm: about 60 Degrees (Red Light)Comfort: about 50 Degrees (White Light)Energy saving: about 40 Degrees (Blue Light)Package size: 400 * 300 * 40mm / 15.7 * 11.8 * 1.6inPackage weight: 530g / 1.2lbNote:The product does not include powerbanks. You need to prepare powerbanks.Cloth Size: We are Asian size, 2-3 sizes smaller than European size. Please choose the correct size according to our size chart and height/weight recommend.EU Size S = Asian size XLEU Size M = Asian Size 2XLEU Size L = Asian Size 3XLEU Size XL = Asian Size 4XLEU Size XXL=Asian Size 5XLEU Size XXXL=Asian Size 6XLEU Size XXXXL=Asian Size 7XLPacking List:1 * USB Electric Heated TrousersPackage List:1 * USB Electric Heated Trousers