Connect internal USB devices directly to the motherboard header connection. The USBMBADAPT USB A to USB Motherboard Header Adapter features a 4-pin USB header (female) connection, as well as a regular USB A (female) port, allowing you to connect internal USB 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 port.