Features:Intelligent temperature control heated with knees back and waist.Powered by any 5V / 2A USB portable charger the USB plug is compatible with most portable chargers on the market.Which can start heating in 30 seconds long duration and long heating time.3-level adjustable temperature with indicator light to adjust the required temperature. Safety insulation design built-in thermal protection module 5V safety voltage once overheated it will stop running until the heat returns to the standard temperature.Support manual/machine washing.The safety protection function ensures that the machine is not damaged during washing.Heating helps to improve blood circulation enhance metabolism which is very suitable for people who are afraid of cold Raynaud's disease arthritis poor blood circulation and stiff joints.The best solution for various outdoor activities such as skiing fishing jogging Hunting biking hiking motorcycles protecting climbing dogs Running snow removal etc.Specifications:Name: Heated Thermal Condition: Color: Black GrayGender: Men WomenMaterial: 95% Cotton + 5% Spandex Carbon fiber wireHeating temperature: Red LED 50 Bule LED 40 Green LED 30Power supply: USB power (not include 10000mah power can be heated for about 6-7 hours)Size: S M L XL 2XL 3XL 4XL 5XLSeason: Autumn winterPackage includes:1 x Heated Thermal Tops1 x Heated Thermal PantsHow to use :Charging - Fully charge the power before use.Plug-in type-connects the power to a plug located in the pocket.On-Press and hold the on / off button for three seconds. The initial temperature is about 50 degrees (red LED) the intermediate temperature about 40 degrees (blue LED) and the lowest about 30 degrees (green LED).Cleaning and maintenance :Machine washable. When washing remove the power .In the case of machine washing please wash your clothes in a laundry bag.To ensure the longevity of clothes try to avoid strong washing and normal drying. Rechargeble or not:NO Origin:Mainland China CN:Guangdong Gender:Unisex Material:Polyester Gear:3