conduction testing, referred to as reference hearing test (REF), with the software-based Hearing Test Feature (HTF). Participants were randomized to receive...

https://www.apple.com/jp/health/pdf/Hearing_Health_Features_on_AirPods_Pro_2_October_2024.pdf

that correspond to body movements, including respiration-induced motion patterns. This document describes the performance evaluation of the sleep stage clas...

https://www.apple.com/jp/healthcare/docs/site/Estimating_Sleep_Stages_from_Apple_Watch_Sept_2023.pdf