【USB Soldering iron】This 15W cordless soldering iron heats up in just 8 seconds, eliminating long wait times and improving work efficiency 【3 Temperature Adjustable】This wireless soldering iron features a three-stage temperature setting with a short press of the button. Low setting (green light): 2.8V-3.4V (500-626°F); Medium setting (blue light): 3.5V-3.8V (626-716°F); High setting (red light): 3.9V-4.2V (734-842°F) 【Charge While Using】The rechargeable soldering iron comes with a built-in 650mAh battery, allowing you to use it without a cord. The Type-C charging port supports charging while in use. It can be powered by a power bank, socket, or computer 【Portable Soldering Iron】A long press of the button for 3 seconds powers the device on/off. It uses an intelligent temperature control system for simple operation. The tool box includes a built-in soldering iron stand for easier storage 【Wide Application】This cordless soldering iron is suitable for a variety of tasks, such as circuit board repairs, phone repairs, electronic component maintenance, wire soldering, and even hand engraving or pyrography