Can I change the battery myself?

Of course! Replacing the battery is easy and only takes a minute.

Follow these steps:

1. Take Ulla off the silicone band.    
2. Carefully remove the cap.
3. Remove the battery and replace it with a new one, flat side facing away.
4. Wait for Ulla to start blinking continuously for approximately 1 second.
5. Put the cap back on.
6. Clip Ulla back on to the silicone band.
7. Ulla is ready.