Sensors

Audio transducer that captures sound for voice commands, snoring detection, cough monitoring, and environmental audio analysis.

Measures electrical impedance of body tissue for body composition analysis, hydration monitoring, and respiration rate detection.

Subcutaneous electrochemical sensor that continuously measures interstitial glucose levels for diabetes management and metabolic health tracking.

Measures body composition including body fat and muscle mass

Measures electrical activity of the heart to detect rhythm abnormalities

Measures skin conductance changes related to stress and emotional arousal

Measures altitude and elevation changes

Measures skin or body temperature

Satellite-based positioning for location and distance tracking

Advanced positioning using multiple satellite constellations

Measures acceleration forces to track movement and orientation

Measures rotational movement and angular velocity

Measures magnetic fields for compass functionality

Photodetector that measures surrounding light intensity for automatic display brightness adjustment and circadian rhythm tracking.

Optical sensor that measures blood volume changes to derive heart rate and SpO2

Pulse oximetry sensor that measures peripheral blood oxygen saturation (SpO2) using red and infrared light absorption characteristics of oxygenated vs deoxygenated hemoglobin.

Measures blood oxygen saturation levels

Found in 2 wearable devices.

Found in 1 wearable device.

Found in 0 wearable devices.

Found in 1 wearable device.

Atmospheric pressure sensor that detects elevation changes for floor counting, altitude tracking, and weather prediction.

Non-invasive sensor for measuring systolic and diastolic blood pressure without traditional arm cuffs.

Temperature-sensitive resistor that measures skin temperature for fever detection, menstrual cycle tracking, sleep analysis, and metabolic monitoring.