With a screen size of 21.5" to 38" and an aspect ratio of 16:9, the Vizio 4K TV Screen Mirror lets you mirror your smart TV's content right on your walls. It has one HDMI and two USB-A ports. It is compatible with devices like smartphones, tablets, cameras and laptops. What's great about this mirror is that it can work as a PC Screen mirror or a TV screen mirror. Not only can you mirror your TV, but you can also simultaneously view your PC desktop or laptop right on your TV as well! This really helps because not only can you watch TV, but you can still use your computer and do other things at the same time! This mirror also provides exceptional sound quality that rivals speakers up to 1. meters away. Furthermore, it has a wireless system for easy installation.