9 Areas Hetaed Vest Women's Men's Outerwear USB Self Heating Vest Ski Warm Waistcoat Thermal Jacket Hunting Clothing Winter One minutes fast heat, dispelling cold and keeping you warm. Set the temperature you want to respond to a variety of environments. One button to heating, three stall temperature control, intelligent heating. It can be washed by machine and can be washed by hand. Do not wring it by hand. 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. Specification: Name: Heated vest Condition: Brand new Color: Camouflage Gender: Men, women Power Supply Interface: USB Power Supply: 5V/2A mobile power (Not Included) Function: Keep warm, water resistant, cold protection Temperature shift: (Manual adjustment) Warm: 45 (Red Light) Comfort: 35 (White Light) Energy Saving: 25 (Blue Light) Size: M/L/XL/2XL/3XL/4XL Season: Autumn, winter Package includes: 1 x Heated vest (Mobile power not included) 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.