An LG monitor with USB-C connector have a high image quality. You can charge your laptop or smartphone via the USB-C port and transfer data via one cable. Does this connector also support a Thunderbolt or DisplayPort protocol? You can use an LG USB-C monitor as a second screen next to your MacBook or laptop with a Thunderbolt or USB-C connection. The monitor supports image signals up to 4K. That makes these LG screens suitable for graphic design, photo editing, and high-quality video content, among other things.