Features: 1. 1 minutes fast heat, dispel cold and keep you warm. 2. With mobile power storage pocket, easy travel.(Mobile power is not included) 3. Set the temperature you want to respond to a variety of environments. 4. A button to heating, three stall temperature control, intelligent heating. 5. Fabric 20D nylon plus waterproof treatment. Do Not wring it by hand. 6. General USB interface power supply, longer service life,anti water splashing and washable. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Product fabric: 100% nylon Product lining: 100% polyester fiber Age: adult Gender: men Temperature Shifts(Manual adjustment) Warm:56C (Red Light) Comfort:46C (White Lights) Energy Saving:39C (Blue Light) Power Supply Interface: USB Function: Keep warm, Anti water splashing and Prevent cold Size:Length Shoulder width 1/2Bust Hem S:64cm 42.5cm 50cm 42cm M:66cm 44cm 52cm 44cm L:68cm 45.2cm 54cm 46cm XL:70cm 46.4cm 56cm 48cm 2XL:72cm 47.6cm 58cm 50cm 3XL:74cm 48.8cm 60cm 52cm 4XL:76cm 50cm 62cm 54cm includes: 1 x Electric Heated Jackets 1 x USB cable