1.5 Heating zones: When the power is turned on, the whole body can feel the warmth.2.1 fast heat, dispelling cold and keeping you warm.3.Set the temperature you to respond to a of environments.4.A button to heating, three stall temperature control, intelligent heating.5. It can be washed by machine and can be washed by hand. Do not wring it by hand.6.General USB interface power supply, service life, anti-water splashing, and washable.7. The fashion is warm, comfortable, and breathable, and it's a good partner for your winter going out.Advantages: USB heating, three-speed adjustment, washableColour:black-grey:40% Polyester, 30% Fiber, 30% NylonSize:XXL = US12 = UK16 = EU44 (cm / inch) Front Length: 71 / 27.95, Back Length: 72 / 28.35, Bust: 118 / 46.46, Shoulder Width: 44 / 17.32Package Contents:1 x Heated VestOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.