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heart rate

Your Target

Heart Rate

Spree measures your heart’s beats per minute (bpm) during exercise and helps you determine if you are working out at an appropriate level of intensity, eliminating any guesswork. You’re welcome.

Freedom From Chest Straps

Most high-end heart rate monitors require chest straps that restrict breathing. Spree obtains your biometric information comfortably from your forehead. We think you’ll agree.

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Your Heart

Having an accurate heart rate calculation will also determine the calories burned during a workout more accurately. And we know how important calorie counting can be.

Learn more about the calories burned.