9 Places USB Heated Vest Men women Winter Thermal Clothing Hunting Vest Smart Control Temperature Heating Jacket Package List: 1 * Heated Vest(not include power bank)Features:1.Many Heating Zones and 3 Temperature Adjustments:carbon fiber heating elements generateheat across the waist, belly and upper back; One button for 3 heating settings.2. USB Charging: Easy to charge. You need to always connect5V2A mobile power (this product does not include mobile power). The mobile power needs to be removed during washing.3.Safe and Healthy: Only 5V far infrared heating, far below the human body safety voltage 36V.Stable heat and body safety voltage. Suitable for better warming of the abdomen and waist area.4.Large-area Heating: The electric heating vest has Many built-in heaters, which have a blood circulation and warmth function, which not only warms your stomach, back,waist and abdomen, but also promotes blood circulation.5.Wide range of applications: This heated vest is ideal foroutdoor skiing, winter fishing, mountain biking, cycling, camping, snow hiking, hunting, outdoor attendance, winter street, daily office, etc.6.Safe and lightweight: the upgraded heating system canensure you to enjoy comfortable warmth. Large area carbon fiber wire heater is safe and insulated. Comfortable & skin-friendly, touching smoothly and warmth better. It can help you spend the whole winter easily without wearing big clothes in cold conditions.Instructions:(1).Take out the USB plug.(2).Access to the mobile charging power source(3).Press and hold the chest temperature control output switch for 3seconds.(4).Long press the chest temperature control switch for 3 seconds, start to warm up and then adjust to the medium temperature heat when you need to always connect the mobile power.(5).Manual adjustment to the third gear, warm temperature of 45 degrees Celsius, comfortable gear temperature of 35 degrees Celsius, energy-saving gear temperature of 25 degrees Celsius.(6).Press and hold the chest temperature control switch for 3 seconds, and turn off the light to stop heating.How to Clean the Heating Vests Machine wash & hand wash are available. Do not wring or twists.Unplug the powers before washing and make sure it is dried before heating.Specification Size:S---bust 102cm, shoulder width 39.1cmM---bust 106cm, shoulder width 40.3cmL---bust 110cm, shoulder width 41.5cmXL---bust 114cm, shoulder width 42.7cm2XL---bust 118cm, shoulder width 43.9cm3XL---bust 73cm, shoulder width 45.1cm4XL---bust 75cm, shoulder width 46.3cmProduct name: Heated VestMaterial: Polyester fiber (polyester)Features: intelligent three-speed temperature control adjustableWelcome to purchase.