Operating system: Wear OS (Android Wear), Intended for: Women's, Men's, Features: Timer, Barometer, Built-in heart rate monitor, Built-in speakers, Calorie counter, Compass, Water resistant, Built-in wireless charging, Vibration alarm, SOS, Built-in microphone, Gyroscope/Accelerometer, Touchscreen, Colour screen, Built in clockwork (Hybrid), Sleep measurement, Blood pressure measurement, Pulse Ox-sensor, ECG, Stress level, Waterproof, Activity Tracker, Always-on Display, Light Sensor, Irregular Rhythm NotificationsRead more