This SuperSpeed USB 3.0 adapter will allow you to connect two USB cables to work as an extension. Experience performance 10 times faster than USB 2.0. 100% Brand new and high quality Small size leaves room for other connections Compact, convenient and easy to use Support the latest version of USB3.0, also compatible with the USB2.0/1.1 version PVC shell,durable, flexible and not easily broken with high speed of 5Gbps Support USB 3.0 for maximum data transfer Easy to install and compatible with mostly cases Comply with USB3.0 specification, plug-and-play Specification: Connector 1:USB3.0 A Female Connector 2:USB3.0 A Female color: black Dimensions:6*2*1cm Compatible with: Equipment with USB3.0 interface port, such as the motherboard, hard disk box etc. Package Included: 2 X USB 3.0 Type-A Female to USB3.0 Type-A Female Plug Adapter Product notes: The USB 3.0 cable can not be plugged into a USB 2.0 port, but the 2.0 cable can be used in a 3.0 port. Quick solution for inadequate cable length without having to buy additional expensive cables