Gender : Men & WomenMaterial : PolyesterModel Number : Heated Winter Warm JacketsFeature : ThermalFit : Fits true to size, take your normal sizeMaterial Technology : NoneCN : GuangdongFeatures: 1 : 5 Heating Zones and 3 Temperature AdjustmentsFeatures: 2 : USB ChargingFeatures: 3 : Safe and HealthyFeatures: 4 : 5 Area Large-area HeatingFeatures: 5 : Wide Range of ApplicationsFeatures: 6 : Machine wash & hand wash are available.Features:*1. 5 Heating Zones and 3 Temperature Adjustments: Carbon fiber heating elements generate heat across the waist, belly and upper back. One button for 3 heating settings.*2. USB Charging: Easy to charge. You need to always connect 5V 2A 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. 5 Area 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 for outdoor 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 can ensure 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 3 seconds.*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.Washing Tips:- Machine wash & hand wash are available.- Do not wring or twists.- Unplug the powers before washing and make sure it is dried before heating.Description:*1. Size: S/M/L/XL/XXL/3XL/4XL/5XL*2. Material:Lining: PolyesterFabric: Nylon100% cottonPackage List:1* Heated Vest(not include power bank)