Garmin's fashionable new Vivo wearables have activity detection, heart rate monitoring

Garmin has announced several new additions to its Vivo line of wearables today: the Vivoactive HR fitness watch and the Vivofit 3 activity tracker. Right off the bat, it's obvious that Garmin is introducing a design that aims to be more fashionable and unique, especially with the Vivofit 3. But looks aren't the only thing that's new, as both devices …