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