Features: Experience seamlessly USB to UART/TTL serial conversion with the USB adapter cable, ensuring stable and reliable communication for your projects. The small design of this adapter makes it highly portable, while double voltages support (3.3V/5V) and 5V TTL level compatibility enhances its versatility for various electronic applications. Suitable for enthusiasts, developers, and engineers, this cable is a tool for debugging and interfacing with embedded systems and electronic devices. Whether you're working on DIY electronics, robotics, or programming microcontrollers, the USB converters cable is your solution for efficient data transfer and testing. With plugs and play functionality across multiple operating systems including XP, Windows7/8/10/11, this adapter streamlinesly your workflow Specifications: Component:Plastic Size:Approx.48x22x12mm/18.89x8.66x4.72inch Support 3.3v/5v Output Support XP/Windows7/8/10/11 Systems Option Type:USB To TTL Cable,USB To UART Cable; Package Includes: Package A 1pc USB To TTL Cable 1pc Line（10Pin,20cm） Package B 1pc USB To UART Cable 1pc Line（10Pin,20cm） note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.