Features: Brand new and high quality The product's main selling point is its ability to expand the interface of desktop computers. This product features a 1-to-4 expansion card hub and a 9-pin multi-interface expansion card. It is suitable for individuals who need to expand their desktop computer's interface. The product can be used in various scenarios where desktop interface expansion is required. This product is a must-have for those looking to enhance their desktop computer's interface capabilities. Specifications: Main Chip: FE2.1 Size: Approx. 9.5x2.8x1.1cm/3.74x1.10x0.43 inches Cable Length: Approx. 60cm/23.62 inches Power Interface: 4-Pin Power Supply USB Power Output: Up to 5V 1A (after using power) Note: Due to differences in lighting and screen settings, the color of the item may differ slightly from the pictures. Please allow for a slight dimension difference due to manual measurements. Package Includes: 1 x 9-Pin USB Hub Connector