Polyester fiber Importado 【Premium Quality】 High quality hardware & waterproof zippers, adjustable cuffs, easy access chest pockets plus a removable and adjustable hood is specially designed for chilly mornings and extra protection on windy days. 【Gift Function】We have Bluetooth temperature control, scan the QR code on the label to download the Bluetooth software, turn on the mobile phone Bluetooth and automatically connect to the clothes heating .Our heating clothes support the 3-level mechanical button temperature adjustment of the button switch, which will not affect the normal use of the heating function. 【7.4V Rechargeable Lipo Battery】 Most heating jackets in the market are powered by 5V USB, while what we use is 7.4V battery, which could offer more power and better heat to the heating pads and Longer battery life. Take charge of your heated clothing with 3 independently controlled heating zones. Adjust 3 heating settings with just a simple press of the button or smart auto-jump to lower temperature. 【Multi-occasion application】 The heated jacket can help promote blood circulation, relief pain of muscles. The inside thickened cotton layer keeps the heat around users and block the chilly wind.it’s very suitable for skiing, hiking, motorcycle, mountaineering, sports, camping, fishing, construction hunting in the cold winter. 【Well worth the money】 Easy care,support hand/machine/dry wash.Provide TWO YEAR WARRANTY covered. If you have any questions or concerns,please contact us immediately.