1、【Premium Material】: This USB soldering iron is compact in size, comfortable to grip, portable, and convenient to use. Beautiful metal housing, which has high hardness and long durability, suitable for long-term use. 2、【Fast Warming】: The plugs-and-plays design of soldering iron bit, fast heat conduction, antioxidant, and long lifespan. The integrated design of the soldering iron bit and heating element makes the temperature rise quickly, the solder warms up quickly, and the replacement of the heating element is more convenient. 3、【3-Gear Temperature Adjustment】: Upgraded intelligent chip, three adjustable temperatures, 300-340℃ low temperature, 380-400℃ medium temperature, 380-450℃ high temperature. Long press the button for three seconds to turn on the machine, the maximum temperature can reach 450℃. 4、【Rechargeable Battery & Convenient Charging】: Built-in 800 mAh high-capacity lithium battery, 20min stable and high-energy battery endurance. With a Type-C charging interface, charging is faster and more convenient, multiple power supplying options, can be connected to a computer/USB port/mobilepower supplies, etc. With the dual-color charging indicator, red indicates charging is in progress, and green indicates charging completed. 5、【Multiple Soldering Iron Bits Replaceable】: A total of 3 types of soldering iron bits are available, easy to operate, easy to deal with different operation scenarios, and you can choose according to your usage needs. 6、【Wide Applications】: It can meet your daily work and hobby requirements, such as: repairing small appliances, soldering circuit boards, watches, mobilephones, TV capacitors, accessories, home DIY welding, etc.