USB rechargeable and user friendly design: the portable soldering iron kit provides USB recharge capability, enabling power from USB ports, power banks, or computers, suitable for home use and on the go projects. Inclusive toolkit for DIY projects and repairs: a complete set of essential tools for a range of tasks and electronics repairs, with everything organized for quick access. Extended usage with a 350mAh battery: built in battery supports longer sessions between charges, reducing interruptions during work. Three temperature settings: three temperature options allow control to match different projects and materials. Applications and use scenarios: Home electronics and small soldering tasks such as circuitboard work, wire connections, and component replacements. Portable projects or field repairs using USB power sources, enabling work away from a fixed power outlet. DIY prototyping and hobby projects requiring a compact, readytouse tool kit with adjustable heat for different materials.