Description:  Temperature Shift (Manual adjustment);  High Temperature: 45~55 degree Celsius (Red Light);  Middle Temperature: 35~45 degree Celsius (White Light);  Low Temperature: 25~35 degree Celsius (Blue Light);  Man Woman Electronic Intelligent Heating USB Hooded Heated Work Jacket Coats Adjustable.     Note:  This clothes belongs to slim style, please judge the appropriate size according to the size chart before buying.If you like more loose, please increase one or two yards to buy, please know it before your buying.     Specification:  Material: Polyester Fiber;  Filling: Down Cotton;  Color: Blue/Army;  Size: Man——S/M/L/XL/2XL/3XL/4XL;  Power Supply Interface: USB;  Power Supply: 5V/2A Portable Source (Not Included);  Fever Area: Back + Abdomen;  Function: Keep Warm, Windproof, Waterproof, Breathable and Abrasion Resistant;  Age Of Application: Adults.     Features:  This is a intelligence coat for you.  Abdomen and back fever, covering the cold area.  Built-in portable source storge pocket, easy travel.  Night safety reflective design of hat brim,increase safety.  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 power supply, longer service life,anti water splashing and washable.  The fashion is warm, comfortable and breathable, and it's a good partner for your winter going out.     Washing Instructions:  1.Take out removable charger.  2.Neutral detergent is available and then hand wash.  3.Do not force knead or beat.  4.After nature air drying can be use.     Warm Tips:  1.If not used for a long time,please do not plug in removable charger.  2.Do not use high temperature water or strong acid detergent.  3.Forbidden to use electricity for wet clothes,Please turn off the power and stop using if cloth is wet.  4.Use time depending on the capacity of removable charge.     Package Included:  1 X Coat (Portable Source Not Included).