USB Portable Intelligent Electric Soldering Iron Multifunctional Soldering Welding Pen with 300-450℃ Temperature Adjustment Function for Soldering Repairing and Maintenance Use USB portable intelligent rechargeable soldering iron, soldering iron bit and heating element are integrated design, fast heat conduction, and fast warming tin, three gears of temperature regulation, and the highest temperature is up to 450℃. Built-in 800mAh high capacity battery, 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. Features: 【Premium Material】: This USB soldering iron is compact in size, comfortable to grip, portable, and convenient e. Beautiful metal housing, which has high hardness and long durability, suitable for long-term use.  【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-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℃. 【Rechargeable Battery & Convenient Charging】: Built-in 800mAh 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. 【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. 【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. Specifications: Name: USB Soldering Iron Material: metal Type: orange soldering iron set, black soldering iron set, grey soldering iron set, red soldering iron set, blue soldering iron set, C210-C soldering bit, C210-B soldering bit, C210-K soldering bit (optional) Battery: 1 * built-in 800mAh lithium battery (included) Max temperature: 450℃ Charging voltage: 5V Package size: 230 * 95 * 40mm / 9.06 * 3.74 * 1.57in Package weight: 300g / 10.58ounce Packing List(soldering iron set, orange/black/grey/red/blue optional): 1 * USB Soldering Iron 1 * Charging Cable 1 * Bracket 1 * Soldering Wire 1 * Storage Box OR Packing List(soldering bit, C210-C/C210-B/C210-K optional): 1 * Soldering Bit