The Gigabit USB (Universal Serial Bus) 3.0 Ethernet adapter converts a USB (Universal Serial Bus) port into a 10/100/1000 Base-T Ethernet port. It enables low-cost & affordable Gigabit Ethernet network connection to any PC laptop or embedded system by using your existing USB (Universal Serial Bus) ports. With the addition of three USB (Universal Serial Bus) 3.0 ports this means that you can connect USB (Universal Serial Bus) devices such as keyboards mice flash drives etc. Specification: Supports USB3.0 super speed (5 Gbps) transmission downward compatible USB2.0 Supports to connect three USB (Universal Serial Bus) devices simultaneously Supports OS: Windows up to Windows 10 Mac OS X v 10.8 Max 900m A per port Supports 10/100 /1000 Mbps bandwidth Supports twisted pair crossover detection & auto-correction