What does the Ultrahuman Ring PRO measure?

Ring PRO tracks sleep stages (REM, Deep, Light), resting heart rate, heart rate variability, skin temperature, movement, workouts, recovery and menstrual cycle and ovulation patterns using a redesigned PPG sensor, a temperature sensor and a 6-axis motion sensor.

How long does the Ring PRO battery last?

Up to 15 days on a single charge: about 12 days in Turbo Mode and more than 15 days in Chill Mode. With the PRO Charging Case, combined battery life reaches up to 45 days. Results vary with usage and settings.

What is the difference between Ring PRO and Ring AIR?

Ring AIR is the lightest option at 2.4 g and 2.4 mm with 4–6 days battery and a single-core processor. Ring PRO is 2.65 mm with up to 15 days battery, up to 250 days on-ring storage, a dual-core processor with on-chip machine learning and ProRelease safety technology.

Is there a mandatory subscription?

Core tracking and access to your personal data do not require a recurring subscription. Optional PowerPlugs add specialised insights such as AFib detection, respiratory health and advanced cycle tracking.

How is health data protected?

Ultrahuman operates under ISO27001, GDPR and HIPAA compliance, and users retain full access to their raw markers.

Which apps does Ultrahuman integrate with?

Ultrahuman integrates with Apple Health, Google Fit, Garmin, MyFitnessPal, Fitbit, Polar, Wahoo, Suunto, TrainingPeaks and more. Developers can build on the UltraSignal platform.

How do I choose the right ring size?

Ultrahuman uses custom sizes 5 to 14 that may differ slightly from standard US ring sizes, with no half sizes. A sizing kit with plastic sizers is recommended before ordering. If you know your Ring AIR size, Ring PRO fits the same.

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