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Getting started

Charging your doppel

Pairing doppel to the doppel app via Bluetooth

Using the doppel app to take your resting heart rate

Using the doppel app to sync, edit or create a rhythm

Using doppel's touch controls

How to adjust doppel's strap

How to reset or update the firmware on your doppel


Download the Product Guide

How to use doppel

Information for current pre-order customers

If you can't find what you're looking for, check our FAQs or email info@feeldoppel.com.