Smartwatches can perform a variety of functions, including: Notifications: Receive alerts for calls, messages, emails, and apps directly on your wrist. Fitness Tracking: Monitor steps, distance, calories burned, heart rate, and sleep patterns. Health Monitoring: Track blood oxygen levels, stress levels, and sometimes even ECG readings. Navigation: Use built-in GPS for location tracking and navigation during outdoor activities. Music Control: Control playback of music stored on your smartphone or streamed via apps like Spotify. Payments: Some models support contactless payments through services like Apple Pay or Google Pay. Customization: Change watch faces, download apps, and personalize settings to suit your preferences.