This USB 2.0 hub adapter uses a USB2.0 HUB chipset and supports data transfer speeds up to 480 Mbps. It provides a stable DC5V 500 mA current for each port, ensuring reliable performance across connected devices. Key benefits and features speed USB 2.0 performance: data transfer rates up to 480 Mbps, suitable for a wide range of USB devices. Per port power stability: DC5V 500 mA per port supports devices that require consistent power. Flexible expansion via motherboard header: converts a single 19pin USB2.0 header on a motherboard into two USB2.0 9pin female extension hubs. Easy connectivity expansion: enables two USB2.0 ports from one 19pin interface, expanding available connections without modifying the motherboard. Durable construction: built with durable PCB materials to ensure longevity and stable operation. Practical for development and testing: designed as a reliable tool for development, testing, and expanding existing interfaces in professional and computing environments. Target users: suitable for computer engineers, technical personnel, and enthusiasts who need flexible hardware testing and device connection options. Compatibility and specifications Interface: converts motherboard 19pin USB2.0 header to two USB2.0 9pin female extension hubs USB standard: USB 2.0 Data transfer rate: up to 480 Mbps Port power: DC5V, 500 mA per port Material: PCB based construction for durability and stability Application: expansion of USB2.0 connectivity from a single 19pin header to two 9pin female ports Size and form factor Designed to be compact and unobtrusive, using standard USB2.0 header and 9pin USB connectors to integrate with typical PC builds and development setups. (Exact dimensions are not specified.) Use scenarios Hardware development and testing: When working on development boards or test rigs, this adapter provides two USB2.0 ports from one 19pin header, enabling testing of multiple USB devices without altering the motherboard. System and chassis expansion: Add two USB2.0 ports to a PC or workstation by utilizing the motherboard 19pin USB2.0 header, useful for front panel enhancements or spaceconstrained builds. Lab bench and device connection: Use in lab or field test environments to quickly connect and power multiple USB devices for hardware validation, software testing, or deviceundertest setups. This description aligns with the product's original brand, specifications, models, and functions, presenting clear, customerfriendly information without omitting key technical details.