This USB (Universal Serial Bus) A Female to Motherboard Header Adapter features a 4-pin USB (Universal Serial Bus) header connection, as well as a regular USB (Universal Serial Bus) A (female) port, allowing you to connect internal USB (Universal Serial Bus) devices directly to the motherboard header connection. The adapter cable offers a cost-effective solution for connecting multi-function front panels, or any device that relies on using an internal USB (Universal Serial Bus) port.