ITEM NAME:2 pcs USB 3.0 9-pin Header Male to USB 2.0 20-pin Female Adapter Cable for PC.ï ¼Ë†2ï ¼â€°Let your USB 3.0 20pin device connect USB 2.0 motherboard. with lower energy consumption and higher protocol efficiency and transmission speed. Specifications:Material: Wire. We want to make sure you are happy with our item.