Heated Vest, Heating Vest, 17 Heating Zones, 3-Level Temperature Adjustment, Heater Vest, USB Powered, Independent Front and Back Switches, Made-in-Japan Fiber Heater, Quick Heating, Insulation, Heating Wear, Heat Jacket, Electric Heating Jacket, Energy Saving, Washable, Cold Weather Protection, Electric Heating Wear, Heated Clothing, Unisex [17 Heating Zones Front and Back Heat Vest] With 6 heaters in the front and 11 in the back, this heated vest efficiently warms 17 zones, keeping your body warm even in the cold season. It warms your easily chilled body like wearing a heater, making it the perfect cold weather item for commuting to work or school in winter, cycling/motorcycle riding, fishing, watching sports, skiing, mountain climbing, outdoor work, and everyday use, as well as outdoor activities and work. [3-Level Temperature Adjustment, Independent Front and Back Control] Equipped with two control buttons, the front and back can be controlled separately. The temperature can be adjusted in 3 levels: high (approx. 45°C), medium (approx. 35°C), and low (approx. 28°C), and it is easy to understand with the button colors [red (high), white (medium), blue (low)]. You can warm all 17 zones at the same time, or you can heat only the front or back, allowing you to use it according to the indoor/outdoor environment, temperature, and situation. [USB Heated Cold Weather Jacket] This electric heated vest is USB powered, not rechargeable, and can be used by connecting to a mobile power source (sold separately) with the USB cable in the back pocket. It uses flexible Japanese-made graphene fiber heaters, which do not impair operability and can be worn without discomfort. This cold weather clothing is suitable for both men and women, and is recommended for those who go out in winter, those who work outdoors such as construction sites and security guards, and will keep you warm even on windy or snowy days. [Quick Heating, Washable] Using flexible Japanese-made graphene fiber heaters, it starts heating in about 10 seconds after turning on the power, and the warmth spreads quickly due to effective heat conduction. Filled with fluffy padding, it has excellent cold protection, and in combination with the heater, it prevents heat from escaping and keeps you warm. Even if the battery runs out, it is still warm to wear as a regular padded vest. If it gets dirty, remove the battery, put the USB cord in the pocket, and wash it by hand or in a washing machine. Please be sure to check the size chart in the image as the size may vary depending on the person. [Package Contents] Heated vest (with USB cord), instruction manual.