Ava Fertility Tracker Bracelet Model 2 Temperature Heart Rate/Sleep Phases.

Excellent preowned condition. See photos for exact details. Requires app. Please double check your requirements to ensure this item will suit your needs.

“The Ava Fertility Tracker Bracelet Model 2 is designed for overnight use to identify the fertile window by monitoring seven to nine physiological parameters, including skin temperature, resting heart rate, HRV ratio, breathing rate, and sleep quality. It provides 89% accuracy in detecting five fertile days.”