Features: Portable Size: This electric soldering iron adopts a pen shape, which is very small and easy to carry. You can carry it in your own tool bag or even in your pocket. Easy to Operate: This electric soldering iron with simple design retains the core functions of electric soldering iron, it will heat up quickly after you press the button. Removable soldering iron tips design allows you to change the damaged tips in time and change a new one to use. Battery Power Supplys: This electric soldering iron is powered by a built-in lithium battery and charged by the USB interface, it will not be bound by a rope when in use. Wide Applications: suitable for disassembly and welding of electronic components, DIY handicraft production, small welding circuit boards, and so on. Specifications: Material: ABS Type: tip-B, tip-C, tip-K, tip-BCK (optional) Interface: M7*0.5mm