Features: 1.Dual USB 3.0 extension cord code male?to?female adapter, screw panel mounting hole backwards to connect USB 2.0, 1.1 and USB 1.0 devices, suitable for game motherboards and DIY PCs 2.The 3.0 adapter extends the connection between a computer or for Windows tablet and USB 3.0 and USB 2.0 peripherals, including hard drives, USB hubs, mice, keyboards, flash drives, etc. 3.Ultra?high?speed data transmission 4.8Gbps signal rate, providing 10 times higher performance than high?speed USB 2.0 (480Mbps), fast and efficient 4.Universal system plug and play, no driver required, when your host is equipped with a USB 3.0 port, it allows you to transfer high?definition movies or files in a few seconds 5.2-port USB 3.0 Type A female to motherboard adapter cable, use this dual USB 3.0 female connector to motherboard cable to add an extra 3.0 USB port to any PC allowing you to connect internal USB devices directly to the motherboard header connection specification:Item Type: USB Extension Cable Material: PVC PackageList:1 x USB ExtensionCable