The Toshiba 43C350NP, 50C350NP, and 55C350NP are 4K UHD Google TVs designed to offer a smart viewing experience. Here are some key features you might find across these models:

1. Display Quality: All models feature 4K UHD resolution, providing sharp and detailed images.

2. Google TV Integration: With Google TV, you can access a wide range of apps, streaming services, and content recommendations tailored to your viewing habits.

3. Voice Control: The TVs typically come with Google Assistant built-in, allowing you to control the TV and smart home devices using voice commands.

4. HDR Support: High Dynamic Range (HDR) support enhances color and contrast for a more vibrant picture.

5. Multiple Connectivity Options: Expect various HDMI and USB ports for connecting gaming consoles, soundbars, and other devices.

6. Smart Features: Features like screen mirroring, Chromecast built-in, and app support for popular services like Netflix, YouTube, and more.

7. Audio: While the built-in speakers are decent, you might consider external sound systems for a better audio experience.