【Fast Heating & Adjustable Temperature】This mini soldering iron adopts 5V DC power supply and uses the special internal welding head, fast heat and concentration. Heating in less than 15 seconds, cooling in less than 35 seconds, which can greatly improve work efficiency.【Cordless & Portable】This soldering iron is small and lightweight, it is convenient to put it in your tool bag and take it to the workplace. USB cable, which can be powered by a computer, mobile power or mobile phone charger, etc.【Safe Shutdown Design】When it is not operated for more than 25 seconds, the indicator light will turn off and automatically enter sleep mode. This function can better extend the life of the welding head and save energy, and it is safer.【Ergonomic Design】Our rechargeable soldering iron completely follows the ergonomic design, completely conforming to your handle, so you can hold it comfortably. The welding body is covered with heat-insulating and anti-scalding silicone to protect users working