MultiPurpose Design: This tool is designed to enhance accuracy and efficiency in your projects. Suitable for both beginners and professionals, it supports repairing electronic products and jewelry making, helping to improve production efficiency and quality. ThreeGear Adjustable Modes: The soldering pen offers three adjustable levels to suit a variety of welding tasks. Red indicates maximum heat, green indicates minimum. Temperature Display and Control: The soldering pen provides easy temperature control with advanced technology and a display that shows the current temperature, ensuring dependable and fast soldering for precision work. USB Powered and Portable: USB charging eliminates the need for disposable batteries. The compact design is easy to carry and store, allowing use anytime and anywhere. Practical Applications: Electronics and assembly: fixing PCBs, repairing connectors, and soldering small electronic components. Jewelry making and small metal projects: joining or repairing delicate metal parts with precision. Onsite field work and DIY projects: portable for travel, workshops, or environments without easy access to power outlets.