The portable USB to Ethernet adapter and adapter connects to a USB 2.0 port (backwards with USB 1.0) making the USB Ethernet cable modem functional to all types of users. Plus, the Ethernet USB converter 2.0 CONNECTS COMPUTER or TABLET to a router or modem switch to allow a FAST NETWORK CONNECTION. The USB Ethernet adapter 2.0 is compatible with Ethernet networks while the USB to rj45 connector is powered via USB 2.0 for versatility and portability as an add-on or replacement ^ The USB Ethernet LAN network adapter provides an INSTANT WIRED ETHERNET CONNECTION and the USB to network adapter links a USB 2.0 to RJ45 port to your Laptop, Computers and all USB 2.0 supported Devices for file transferring. The Ethernet router 100mbps WORKS for VIDEO CONFERENCING, STREAMING or GAMING. Moreover, the USB Ethernet adapter 2.0 is COMPACT and LIGHT WEIGHT making this ethernet USB 2.0 adapter IDEAL for TRAVEL.^ This rj45 Ethernet connector and internet cable adapter downloads software upgrades quicker through a wired home / office LAN. The Ethernet to USB converter and USB 2.0 Ethernet LAN adapter connects you to FASTER INTERNET making this USB to Ethernet converter a GREAT SOLUTION for FILE TRANSFERS. The USB 2.0 to Ethernet adaptor provides efficient data transfer and the LAN switch Ethernet to USB cord ensures security as the USB 2.0 to Ethernet connector streams larger files quicker.^ This bus-powered external adapter and cable plug adapter is easy to use because this USB 2.0 ethernet adapter supports Plug and Play. The Ethernet converter to USB 2.0 LAN network adapter has built-in power which means, the Ethernet USB 2.0 adaptor is a USB-bus powered device with NO ADDITIONAL POWER REQUIRED. Also, this Ethernet to USB connector and internet cable USB LAN router provides over-current protection into the ports which PROTECTS connected DEVICES and your HUB from POWER SURGES.^ You can use this USB 2.0 ethernet connector to REPLACE your BROKEN LAN PORT. This USB ethernet adapter enhances your existing computer's networking capability and is perfect for laptops and PCs with a defective, slower 10/100 Mbps or devices without an Ethernet port. However, the USB 2.0 to ethernet LAN network adapter DOES NOT WORK with MacOS BIG SUR, Nintendo Switch, or any devices using 8 pin connector.