Blood Oxygen Monitoring
The Apple Watch Series 9 features an advanced sensor and app to measure your blood oxygen levels, which is an important indicator of your overall wellness
Electrocardiogram (ECG) Monitoring
An ECG app is available on the wrist, allowing you to take an ECG anytime and anywhere
Swimming Enhancements
Kickboard detection has been added as a new stroke type for Pool Swim workouts. This feature uses sensor fusion on the Apple Watch to automatically detect when users are swimming with a kickboard and classify the stroke type in the workout summary along with the distance swam
Healthcare Data Logging and Access
The Series 9 allows users to log and access healthcare data, and control the watch by double-tapping their index finger and thumb
On-Device Siri with Health Access
A major change in Series 9 from its predecessors is the on-device Siri with Health access. This feature, coming later in a software update, will allow users to ask Siri for updates on their personal health data and securely log new health data by voice, like weight or whether a medication was taken
Heart Health Monitoring
Includes a third-generation optical heart sensor, high/low heart rate notifications, and irregular rhythm notifications
Cardio Fitness Monitoring
The watch notifies users about their low cardio fitness levels
Sleep and Mental Wellbeing Tracking
Sleep tracking with sleep stages and mental wellbeing features are available to help users keep track of their sleep patterns and mental health
Crash and Fall Detection
These features help in detecting if a user has had a fall or been in a crash, which can be crucial for emergency situations
Menstrual Cycle Tracking
Advanced cycle tracking with temperature sensing, alongside regular cycle tracking without temperature sensing, is available for women to monitor their menstrual cycles
