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iWatch iWatch features
Get messages and notifications on the wrist; Answer calls on your wrist; Fitness tracking; Workout tracking; Heart rate monitoring; ECG monitoring (on Watch Series 4 only); GPS tracking of workouts (on GPS versions); Make calls and receive messages away from your phone (LTE versions with data plan); Turn-by-turn navigation; Siri commands – alarms, timers, reminders; Display tickets and boarding passes; Control Music; Tell the time
sizes: 38mm and 42mm (1.5 and 1.7 inches); Apple Watch requires iPhone 5, iPhone 5c, iPhone 5s, iPhone 6 or iPhone 6 Plus running iOS 8.2. or later; Features Wi-Fi 802.11b/g and Bluetooth 4.0 to pair with iPhone; 4GB internal storage for music; 512MB RAM; 200 to 250 mAh battery – 18 hours battery life and MagSafe charging; Wireless Charging; Integration with the iPhone, iPad, and Mac; Biometric functionality; NFC enabled Apple Pay feature; Use Skin Contact for Apple Pay Security; Retina touchscreen display with Force Touch, and sapphire glass or Ion-X glass cover depending on model