How do I establish Bluetooth call connectivity?

"There are two ways to establish Bluetooth connectivity.

Automatic: 

Follow the pairing process to pair NoiseFit Endeavour 2   with the NoiseFit app.

Once paired, the watch’s Bluetooth calling feature would be activated automatically.

Connect it with your phone’s Bluetooth to use the calling feature conveniently.

Manual:

In case the Bluetooth call connectivity prompt does not pop up then you can establish the connection manually.

On your phone: Go to Settings. Turn on the Bluetooth search and pair NoiseFit Endeavour 2. to use the watch to make calls.