10 PACK - A Female to A Female USB 2.0 / USB Cable Coupler Adapter / Extension Coupler This coupler is an excellent device that is utilized to connect two individual USB cables together.A high-quality USB adapter that is perfect in being used to change the gender format of the USB from male to female or by increasing the connection between multiple Male USB 2.0 A-Type cables. It is comprised of silver-plated contacts that provide excellent signal transmission along with a design that is fully molded and shows off amazing durability which is sure to have a considerable lifetime.It is made up of two Female Type A USB jacks located on each end of the adapter. This adapter is perfectly compatible with USB 2.0 cables and it also fully supports backwards compatibility with the older USB 1.0 and 1.1 connections. It also supports up to 480 Mbps transfer rate.It is very easy to use device, just plug and play. You won't regret the decision to purchase this device. The specifications for this adapter are as follows:Connector 1: USB 2.0 Type-A FemaleConnector 2: USB 2.0 Type-A FemaleColor: WhiteProduct Dimensions: 1.9 x 1 x 0.7 inches Weight: 0.32 ounces Package Quantity: 10 Warning: When using this adapter to connect multiple USB cables, please take note that you do not exceed the recommended USB limit of 15 feet.