[Extended Battery Life]this USB soldering iron kit ensures up to 30 minutes of continuous operation when fully , perfectly suited for typical soldering tasks and emergency repairs. [Precise Temperature Control] Featuring a temperature adjustment button, this soldering iron allows for quick and comfortable temperature changes, enhancing your efficiency and during delicate soldering projects. [Cordless Convenience] Experience the freedom of cordless soldering with our innovative USB digital display soldering iron. This tool is ideal for a variety of applications including circuit board soldering, electrical repairs, and crafting with metals and jewelry. [User-Friendly Operation] Power on, set the temperature, and in just 10 seconds, the soldering kit reaches your desired heat. Post-use, simply place the iron on the holder to cool within a minute-ideal for beginners and professionals alike.