Warm Winter New Style: The new five-generation cotton-padded jacket with intelligent temperature regulation in winter Intelligence Heating: One-click heating three-speed temperature control intelligent delivery Easy Washed: Washable for a long time Power interface insulation waterproofing work Applicable Scene: Suitable for outdoor sports / daily leisure Function: Warm, wear-resistant, anti-static, moisture-wicking, anti-dirt, and stain removal Specifications: Size: M/L/XL/2XL/3XL (optional) Lining: 100% Polyester Fiber Fabric: 100% Nylon Filling: Washed Cotton Season: Winter Applicable voltage: 5V 1A 3-gears temperature control: high 45 / medium 35 / lower 25 Operating temperature range: about -5 to 40 Size (cm): The Chest and Hem size is 1/2 M: Front Length 66, Sleeve Length 64, Chest 52, Hem 44 L: Front Length 68, Sleeve Length 65.5, Chest 54, Hem 46 XL: Front Length 70, Sleeve Length 67, Chest 56, Hem 48 2XL: Front Length 72, Sleeve Length 68.5, Chest 58, Hem 50 3XL: Front length 64, Sleeve length 70, Chest 60, Hem 52 Note: This size is hand-measured, there is a 1-2cm error, thank you for your understanding Package included: 1 x Electric Heating Coat Other items not included