Power supply board with onetouch control and flexible output options Onetouch on/off operation No complex installation required Easy power control with a single action Broad ATX compatibility Works with both 20pin and 24pin ATX computer power supplies DIY friendly interface The board reserves an interface for an external switch Users can modify or add their own switch to suit specific needs Flexible voltage outputs Provides multiple voltage rails including 5V, 12V, and 12V Suitable for powering a range of equipment and devices Integrated USB charging Builtin USB charging interface Can draw power directly from the desktop power supply to charge phones, tablets and other digital devices Eliminates the need for additional power adapters Use scenarios PC build or test bench Quickly power on/off a computer or test rig with a single touch Simplifies setup and teardown for testing or maintenance USB charging from PSU Charge mobile devices directly from the desktop power supply during use Reduces cable clutter and eliminates extra chargers DIY projects and hobby electronics Provide stable 5V, 12V and 12V rails for development boards, prototypes, or educational kits Easy to with an external switch for a control panel This description preserves the original product's function, compatibility, and features while presenting clear, concise benefits and practical use cases in plain English.