[justinc8687]

> Additionally, it would be great if devices like the Fitbit Charge could be used as a bluetooth heart rate monitor that can be used on apps that consume trackers on a (presumably) standard API (like TrainerRoad, Zwift, etc).

The new charge 6 does have this capability. [0]

[0](https://support.google.com/fitbit/answer/14236705)

[apatheticonion]

Fantastic! I am hoping this is an industry-wide trend

[sushisource]

This has already been the case for primarily fitness oriented GPS watches / heart-rate trackers / etc for some time. Bluetooth, but even longer using ANT+, which is quite a bit more battery efficient.