Sleeve: VestFull body and washable.Material: PolyesterDecoration: ZipperWaterproof rating: washableSnowman power supply: charging or mobile phone chargerThe weight of the product is about 420g light as feathers, and the inner clamp is polyester and cotton to ensure that the temperature will not be lost.Main fabric composition: Polyester fiber (Polyester)Power supply: 5V. 2ANumber of floors: three layersPower bank: 8000MAH1. After the thermostat is connected to the power supply (battery), the red, blue and green lights flash once,press the button for 2 seconds to turn on, enter the preheat mode, the LED displays red, with breath flash,high-end output, output power 100%, about 45 Celsius, 3 hours of use, automatically jump to mid-range after 5 minutes of heating;Fabric Name: Polyester and CottonCarbon fiber heating conductor, and energy saving,Heating up to 8 hoursVoltage: 5V/USB interfaceCollar: HoodedNote: Goods does not contain mobile power! Please check the Size Chart before order. If you are not sure the size, please send message to us.2. Mid-range, LED display blue, use time 4 hours, about 35 degrees Celsius, output power 70%;Softness index: softerSeason:WinterThickness: quiltedStyle: FashionUSB charger. Mobile phone, charging , computer... can supply powerLining Ingredients: Polyester (Polyester)3 file temperature control adjustment. What temperature do you want.3. Low-end, LED display pulple, use time 8 hours, about 25 degrees Celsius, output power 40%;High Quality And 100% Brand new.Heating area: 9 HeatingWarm, Breathable, Wear-resistant, Ultra-light, Anti-static, Acid-proof.Pattern: SolidWhat you get: 1 PC Heating Vest4. Click to switch the gear position, the third gear cycle, long press 2 seconds to shut down.