The screens on iPhones are great and convenient for watching your favorite streaming service, but sometimes they're just too small. So hook it up to a monitor.

Expand your one small screen to two 4K big displays with this compact adapter that works across Mac, PC, and compatible tablets and smartphones.

A second screen makes your MacBook more useful and turns a laptop into a real alternative to a desktop computer. Adding one or more external displays to your MacBook is easy and recommended for a home ...