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 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 IronMaterial: metalType: 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: 450Charging voltage: 5VPackage size: 230* 95* 40mm/ 9.06* 3.74* 1.57inPackage weight: 300g/ 10.58ouncePacking List(soldering iron set, orange/black/grey/red/blue optional):1* USB Soldering Iron1* Charging Cable1* Bracket1* Soldering Wire1* Storage BoxORPacking List(soldering bit, C210-C/C210-B/C210-K optional):1* Soldering Bit