The Apple Watch has a built-in voice control feature called Siri, which allows users to control the watch using voice commands.

The Samsung Galaxy Watch uses Bixby as its voice assistant, which allows users to control the watch using voice commands.

The Samsung Galaxy Watch allows users to control smart home devices using voice commands through the SmartThings app.

The Apple Watch has the most advanced voice control capabilities, as it allows users to control a wide range of features using voice commands, including making phone calls, sending messages, and controlling music playback.

The Apple Watch allows users to make phone calls using voice commands through the built-in speaker and microphone.

The Fitbit Versa uses Alexa as its voice assistant, which allows users to control the watch using voice commands.

The Apple Watch allows users to send text messages using voice commands through the built-in microphone and speaker.

The Garmin Vivoactive 4 has the longest battery life, lasting up to 8 days in smartwatch mode and up to 6 hours in GPS mode.

The Apple Watch allows users to control music playback using voice commands through the built-in speaker and microphone.

The Apple Watch allows users to set alarms and reminders using voice commands through the built-in microphone and speaker.

The Apple Watch allows users to get weather updates using voice commands through the built-in microphone and speaker.

The Samsung Galaxy Watch allows users to control smart home devices using voice commands through the SmartThings app.

The Apple Watch allows users to make payments using voice commands through Apple Pay.

The Garmin Vivoactive 4 allows users to track their fitness activities using voice commands through the built-in microphone and speaker.

The Apple Watch allows users to control their music playback using voice commands through the built-in microphone and speaker.