Users of the Galaxy Gear will be able to use the voice control to make calls, create reminders and set alarms without touching the smartwatch.
The watch will also work with other Samsung devices allowing users to control the music played on them, or find any they have misplaced by making them beep, illuminate and vibrate.
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Medical staff who helped during the Westminster terror attack have received a royal thanks for their life-saving efforts.
Colin Gregg, the son of the founder of the Greggs bakers chain, has been jailed at Newcastle Crown Court for 13 and a half years.
Khalid Masood was killed by a single gunshot to his chest, after the terror attack which claimed the lives of four people, an inquest heard.