FeaturesWaterproof, Accelerometer, Altimeter, Sleep Monitor, 3G Data Capable, Music Player, E-compass, Always-on Display, Voice-Activated Dialing, Ambient Light Sensor, ECG Monitor, Bluetooth Enabled, Touchscreen, Gyroscope, Oled, Wireless Charging, 4G Data Capable, Barometer, Speakerphone, Wi-Fi Capable, AMOLED Display, Heart Rate Monitor, Fall Detection, Caller ID, Fitness Tracker, Blood Oxygen Sensor, Near Field Communication (NFC), GPS
Operating SystemApple Watch OS