Rapid heating, temperature adjustableThis mini soldering iron adopts a5V DC power supply and uses the special internal heat type soldering head,heat fast, and concentration. Heating up in less than 15 seconds, Cooling down in less than 35 seconds, which can greatly improve your work efficiency. Cordless and PortableThis soldering iron is small and light, it is convenient to put in your tool bag and take to your workplace. USB cable, which can be powered by computer, mobile power or your cell phone charger, etc. Safe Shutdown DesignWhen not working for more than 25 seconds, the LED turns off and automatically switches to standby mode. This function can better prolong the service life of the soldering head and save energy, and it is safer. Perfect repair toolsThis USB soldering iron can be widely used for small-caliber circuits, home appliance accessories, welding, jewelry repair, DIY enthusiasts, etc. Convenient and practical, it is a perfect gift for your friends who need it. Ergonomic designOur rechargeable soldering iron fully follows the ergonomic design, very consistent with the grip, so that you can grip it comfortably. The soldering body is covered with heat-insulating and anti-scalding silicone to protect users safely. A safe iron holder is attached to put the soldering pen during the work break.