High Compatibility: This adapter seamlessly connects serial devices with a 9-pin DB9 interface to USB ports on your PC or notebook, ensuring reliable data transfer. Advanced PL2303 Chipset: Equipped with the PL2303 chipset, this cable provides a stable and efficient connection, making it ideal for various communication and networking needs. Easy Installation: The plug-and-play design ensures easy installation without the need for an external power supply, and it's compatible with various operating systems. Design: Features a robust cable and quality connectors that durability for extended use in any professional or home setting. Color:Black & Blue Material:Plastic+Metal Package Contents: 1 * Adapter cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.