Jelva Electric Heated Vest Fiber Electric Heated Jacket for Men and Slim Independent Front and Back 3 Temperature Fully Fast Black [16-Area Heating,

[16 Heating Points Front and Back/Non-heating] Equipped with six heaters in the front and ten in the back, it efficiently warms the entire body. It gently wraps around areas prone to chilling, and the stretchy sides ensure a comfortable fit. The sleek design looks great even under a shirt at the office. Perfect for commuting, school, outdoor activities, and work, it keeps you warm for hours, even in the harshest winters. *If you purchase the non-heating version, please use a device with a 5V/2A output. [3-Level Temperature Adjustment with Independent Front and Rear Switches] Equipped with two control buttons, each can be controlled independently. The temperature (DC mode) can be switched between three levels: high (65°C-75°C), medium (55°C-65°C), and low (45°C-55°C). The buttons are clearly distinguishable by their colors: red (high), white (medium), and blue (low). It can simultaneously heat 16 areas on the front and back, and you can also heat just the front or just the back. It can be used indoors or outdoors, depending on the weather conditions and the occasion. [3-Second Heating, Japanese-Made Graphene Fiber Heater] Press and hold the temperature control switch for 3 seconds to turn on the power and a red light will come on. After 5 minutes, the light will automatically turn white. You can also manually switch to another temperature setting during use. The Japanese-made graphene fiber heater allows for comfortable wear. Even if there is no remaining battery, you can wear it as a regular padded vest and it will still keep you warm. [Easy 3-Step Operation - Heated Vest] 1. Connect the USB cable in the heated vest's pocket to your mobile phone. 2. Press and hold the power button on the left chest until it turns on and flashes. 3. Each time you briefly press the button, the temperature will change from red (high), white (medium), to blue (low), allowing you to select your preferred temperature/area of heat. (To turn off the power, press and hold the button until it disappears.) The two buttons independently control the front and back temperatures, allowing you to heat up to 16 areas simultaneously. If the vest gets dirty, remove the cover, store the USB cord in the pocket, and wash it by hand or in the washing machine. Available in two colors and four sizes: Black/Navy, M/L/XL/2XL. Sizes may vary depending on the individual, so please be sure to check the size chart in the image before ordering. If you're unsure which size to choose, we recommend choosing one size larger than your usual size. Package Contents: Electric heated vest (with USB cable), instruction manual (with warranty). With six heaters in the front and ten in the back, it efficiently warms your entire body. It gently wraps around areas prone to getting cold, and the stretchy material on the sides ensures a comfortable fit. Its sleek design makes it perfect for wearing under a shirt at the office. Perfect for commuting, going to school, outdoors, and work, it keeps you warm for hours, even in the harshest winters.