Setting Up
- How do I create an account on the doppel Beta app?
- How do I set up my doppel?
- Do I have to have download the app to use my doppel?
- How to pair to the doppel app
- How do I take my resting heart rate using the doppel app?
- How do I use the doppel app to pick or create a rhythm?
- How do I wear my doppel?
- How do I adjust the doppel strap?