(Industry's Largest Heating Area & 5 Second Rapid Heating Generation) The LABCOOL electric heated vest uses the most advanced heat generating technology, and the overall heating area increases the heater approximately twice as much as conventional electric heating wear, allowing you to warm up a wide area rapidly and realize the largest heating area in the industry. In addition, we use the latest carbon fiber material and imported superior TPU heating sheet material, which provides better heat efficiency than traditional electric heating wires, and can achieve fast and smooth preheating in 5 seconds. Can be used as an electric heating jacket, quick heating vest, cold weather wear, or in the middle of winter, as an electric heated inner vest for skiing wear, long seasons, or as an electric heating sheet (Independent front and rear temperature control / Supports up to 140°F (60°C)) The heater vest has two switches to separate the front and back heating sections, and can be freely converted between 3 levels (high: approx. 140°F (60°C), medium: approx. 12°F (50°C) (blue), and weak about 104°F (40°C) (green) and press for 3 seconds. The optimal temperature can be adjusted according to the temperature of the environment, making it a great electric heated vest to overcome the cold season PSE Certified Large Capacity Battery Included, Convenient DC Power Supply: The heated vest can be used for a long time even for people who work outdoors at night fishing, golf, camping, and other outdoor activities such as construction sites and security, etc. The inner pocket is equipped with a DC cable, so you can connect it to your mobile battery to power your cold clothes (Made with High Quality Materials, Lightweight and Exquisite Comfortable) The heated vest is made of waterproof and windproof polyester material that is wrinkle resistant and has a luxurious feel. The heating vest has an inner filling, and it is combined with a Japanese graphene fiber heater to prevent heat from escaping, keeping you warm even when you do not need to heat it. The lining is made of aluminum coating, and the effect of radiant heat preserves the warmth of your clothes. The electric heated vest weighs approximately 19.4 oz (550 g), making it lightweight and comfortable to wear Set Contents: Electric vest that can be washed with water: Components included in the package: Heating vest x 1, 16,000 mAh power bank x 1, charging cable x 1, Japanese instruction manual x 1; Can be hand washed and machine washed. Note: Please put the DC cable in the pocket and remove the power bank before washing. Please check the DC terminal before using it again and it is dry without water. Great for walking or commuting to work or school, as well as outdoor sports such as night fishing, golf, climbing, and cycling. Recommended as a heartwarming gift for New Year parties, birthdays, Christmas, and more