Hello,
Can i use a Garmin Vivoactive 4s to get my heart rate/broadcast it on the screen/game while riding?
I use an android phone with Zwift and my kickr core connects Bluetooth or Ant+ on my phone.
Thanks!
Welcome to the forum.
It look like the Garmin can broadcast HR. I am not sure if the android phone will accept ANT+ devices.
Best way to know is turn on broadcast mode and see if Zwift pick it up in the pairing screen.
https://www8.garmin.com/manuals/webhelp/vivoactive4_4S/EN-US/GUID-8EC8B7FE-2AC2-46E9-94FC-06416FF1E2ED.html
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Actually, I’m not worried about Garmin broadcasting it but more Zwift reading it/capturing it.
Anyone has tried and succeeded?
I don’t understand?
You need to broadcast it from your watch for Zwift to receive the HR and show it on the screen.
or did I miss something?
Exactly
But ive seen on other forums that people have a hard time to make it work. Some are saying its easier with a chest strap per example so it’s why I’m trying to see if someone uses it and who could confirm it works fine.
O now I understand your question.
I found the wrist based HR monitors is not very accurate especially for biking. I tested the Fenix 3HR and vivo active.
For me chest strap works the best.
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Ok good 
So you were able to pair though it was not super good data it’s what you mean?
Thank you!!!
I did pair to a windows PC but it was a simple as a hr strap.