1. Overcome the length limits of USB cables with this Plug & Play adapter 2. Use with webcams, mice, keyboards, any device that has a USB plug 3. Overcome the length limits of USB cables with this Plug & Play adapter 4. You can connect USB peripherals to your computer from up to 150 feet (45 meters) away with this adapter. 5. Use a patch cable/straight-thru cable (Cat-5, 5e, or 6) to connect the two adapters together. 6. This adapter set is to be used with a patch cable, also called a straight-through cable. Note: the distance and presence of adapters may affect the performance of some devices. With distance more than approximately 5 feet (1.5 meters), you may need to use a powered USB hub, as the USB port on your computer does not supply enough power to stretch over distance. Powered USB hub not included as part of this package. Product Package Included: 1 x RJ 45 MALE Extension adapter 1 x RJ 45 FEMALE Extension adapter