Firstbeat showing the Forerunner 945 on its website under certain features. Looks like it will have 18 firstbeat features the same as the Marq. The read more link doesn't work. : r/Garmin
Garmin Fenix 6 - Firstbeat Insights
Why Garmin buying Firstbeat is big news for sports watches - Wareable
Firstbeat Sports | Advanced Performance Analytics
Garmin Rolls out New Features to Forerunner 245/745/945 in Beta: Workout ratings, FirstBeat Sleep Tracking, Trail Running and more | DC Rainmaker
Why Garmin buying Firstbeat is big news for sports watches - Wareable
Why Garmin buying Firstbeat is big news for sports watches - Wareable