The versatility of the USB-C port means that it can simultaneously perform several different functions, including data transfer and power input. Rather than being forced to choose one or another, you can enjoy the superior security and increased data transfer speeds of a wired Ethernet connection, while charging your laptop's battery. A true plug & play device, no drivers or software installations are required to use this Gigabit adapter on a Windows® or Mac® OS X® machine. USB-C Power Port Wired Gigabit Ethernet Portable USB-C Power Port: The USB-C charging port allows you to connect your original USB-C charger, so you can charge your laptop's battery rather than draining it, while using this adapter. Wired Gigabit Ethernet: Enjoy the superior security and increased data transfer speeds of a wired Gigabit Ethernet connection, without the need for drivers or software installations when used on a Windows® or Mac® OS X® machine. Portable: Small and portable, you can easily slip this adapter into your laptop case and have it ready for use wherever and whenever the need arises. Compatible with USB-C equipped laptops, such as the Apple MacBook® and Google Chromebook™ . Quality at a Fair Price Monoprice's rugged design and rigid quality control standards deliver high quality products