The computer 9Pin USB adapter board is an adapter device designed to provide users with a convenient USB interface adapter solution to meet the diverse needs of data transmission and connection between different devices. Efficient transfer: It can accurately transfer the 9Pin interface to the USB interface to the stability and efficiency of data transmission, reduce signal loss, and make communication between devices smoother. Strong compatibility: Supports the connection of a variety of devices that meet the 9Pin interface standard and USB protocol, whether it is computer peripherals, data acquisition equipment or other electronic devices, it can be easily compatible. Small and light: The adapter board is easy to carry and install, does not take up too much space, and is convenient for users to use in different scenarios. This double-layer USB interface design is ingenious. The interface uses the standard USB2.0 interface type, which is compatible with most USB devices on the market. The metal contacts inside the interface are made of high-quality conductive materials and are processed by special processes to good conductivity and wear resistance, ensuring stable data transmission even after long-term use. Colour:As Shown Material:PCB+plastic+Metal Package Contents: 1 * USB 9Pin To USB 2.0 Adapter 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.