The primary characteristic of a smart TV is its ability to connect to the internet and stream content from various online services. Unlike traditional televisions, smart TVs integrate operating systems that allow users to access applications, browse the web, and connect with other devices. This connectivity enables features such as on-demand streaming, social media integration, and voice control. As a result, smart TVs provide a more interactive and personalized viewing experience, making it easier for consumers to access their favorite shows and movies from a single device.