Fitbit Charge 2 real-time heart rate accuracy acquision

[akumiro]

My company would like to create a real-time heart rate variability (HRV) analysis app. We are brainstorming about products that can help us getting started and I am suggesting to use Fitbit Charge 2. However, at the moment, I do not have the fitbit charge to test for myself; thus, I would like to know:

1. Does the device allow to get the raw ECG in real-time? 
2. Does the device automatically extra the R-R interval signal from the recorded ECG in real-time?
3. Can the above data (ECG or RR interval) be received in real-time via a Bluetooth?

Thanks 

[AlejandraFitbit]

A warm welcome to the Community @akumiro. If you want to have information about how Fitbit trackers track the heart rate information, I recommend taking a look at the What should I know about my heart rate data? article.

I hope this helps, catch you later.