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Help Center

Help Center

Frequently Asked Questions

How can breath measurement provide calorie data?

Why should we trust it?

What kind of biometrics can I get from it?

Do I need to input my body weight to correctly read calorie burn?

How does Calibre know if I am burning fat or carbs?

What do the sensors actually measure?

How could it be that I have not heard about this kind of measurement and data until now?

What is RER?

Can Calibre help me detect and track my ketosis state?

Is there a size slection? Which size is best for me?

What is the battery life? Hours of continuous use? How to charge?

What are the dimensions and weight?

Is it waterproof?

Does it have an app? Which phones does it work with?

What can we expect from the app?

How do I set it up?

How do I turn it on and off?

What is the care and cleaning of it?

Is it dishwasher safe / machine washable?

Is it safe for children?

Is it fragile?

Are there any risks associated with use?

What is your return / exchange policy?