Sensor Technology Breakdown
Every sensor explained — what it measures and why it matters.
PPG Heart Rate Sensor
Dual green LED photoplethysmography sensor measures blood volume changes through your skin with clinical accuracy. Provides continuous heart rate monitoring, HRV calculation, and forms the foundation of Auto Stress Relief.
SpO2 Blood Oxygen Sensor
Red and infrared LED sensor measures blood oxygen saturation levels. Monitors respiratory health, detects sleep apnea patterns, and provides altitude acclimatization data. Accuracy within ±2% of pulse oximeters.
Skin Temperature Sensor
High-precision thermistor tracks skin temperature variations throughout the day and night. Detects fever onset, monitors circadian rhythm, and provides early illness warning signals.
Blood Pressure Estimation
Pulse transit time (PTT) technology combined with PPG data provides continuous blood pressure estimation without a cuff. Calibrated against clinical sphygmomanometers for accuracy.
3-Axis Accelerometer
MEMS accelerometer tracks movement in three dimensions. Enables automatic workout detection across 50+ exercise modes, step counting, sleep stage classification, and fall detection.
Haptic Feedback Engine
Precision linear resonant actuator (LRA) delivers calibrated micro-vibrations for Auto Stress Relief. Frequency range of 40-300Hz allows for both perceptible alerts and sub-threshold therapeutic vibrations.