The product is a screen or two screens that you can attach to your laptop, allowing you to have a wide display. You can control all the screens as if they are one single screen, easily switching between them and transferring pages and the mouse from screen to screen, allowing you to work on all the screens at the same time. You connect the screen via USB or type C. Screen specifications: 14 inch HD resolution 1920 x 1080 Compatible with any laptop (Mac OS - Windows) No charging, no electricity required Supports Android phones and Nintendo Switch (via type C)