Specifications:

Switch 10/100Mbps to 1000Mbps network automatically
Half/Full Duplex 10/100/1000Mbps operation
Support Full Duplex Flow Control (IEEE 802.3x)
Support all USB standard commands
Support suspend/resume detection logic
Compliant to USB interface version 3.0/3.1
Support 10/100Mbps and 1000Mbps N-way auto-negotiation operation
Integrated Gigabit Ethernet MAC, physical clip and transceiver in one chip
MS Windows 98SE/Me/2000/XP/Vista/7/8/8.1/10, Linux 2.4, or Mac OS

This adapter is ideal to attach to Macbook, Tablet's or a Windows PC released with only Wifi connectivity. The host device (PC, Mac or Tablet) need to have a free USB 3.1 port available, you can also use the USB 3.0 to USB Type C 3.1 adapter in a USB 3.0 port . Due to Latency and signal strength, Wifi is still a lot slower than cable connected networks and this adapter will provide a ethernet / RJ45 network port at up to 1Gbps to attach your device to a network switch or router for faster transfer of data and video/audio streaming compared to wifi.

What's in the box
1 x Type-c 3.1 To RJ45 Lan Network Gigabit Ethernet Adapter 10/ 100/ 1000 Mbps