USB Cordless Soldering Kit - Eliminate power restrictions and short wires with our Cordless Soldering Kit, featuring a built-in lithium battery for ultimate convenience. Perfect for soldering circuit boards, appliance repairs, jewelry making, metal headdress crafting, computer work, DIY projects, and small workplace tasks. - Long-lasting Performance: Equipped with an 800mAh capacity battery, this soldering kit charges in just 50 minutes and provides up to 20 minutes of continuous use. You can even use it while charging, ensuring you stay productive. - Simple Operation: To activate, press and hold the power button for 8 seconds, and the soldering iron will reach 400℃, effectively melting solder for circuit board repairs. After use, place the soldering head on its stand, and it will cool down in under 1 minute. This makes it ideal for beginners, hobbyists, and training soldering engineers. - Compact and Lightweight: Measuring 5.9 inches and weighing only 1.76 ounces, this portable soldering iron fits easily in your pocket, ensuring you can take it wherever you need. Operating at 10 watts, it is designed for safe and efficient use. Use Scenarios: 1. Repair circuit boards in remote locations without the hassle of power cords. 2. Tackle small appliance repairs at home or in the workshop with ease. 3. Create intricate jewelry pieces or metal headdresses with precise soldering capabilities.