The Google Pixel Watch 4 is an extension of your Google Pixel smartphone. You receive your messages and open apps with it. You can also work out with it. That way, you receive insights in your workouts and improve your stamina. You can choose between 2 sizes. If you have a small wrist, you should choose the 41mm version. Choose the 45mm model if you have a wide wrist. You control your Google devices with this smartwatch, such as a Google Home. With AI assistant Gemini, you can give the watch assignments with your voice to easily plan your appointments, for example.