Accelerometer, Ambient light, Barometer, Gyroscope, Heart rate, Temperature
Sensors
Electrical heart sensor and ECG app
Third-generation optical heart sensor
High and low heart rate notifications
Irregular rhythm notifications
Sleep stages
Temperature sensing
Compass
Always-on altimeter
High-g accelerometer
Up to 256 g-forces with Fall Detection and Crash Detection
High dynamic range gyroscope
Ambient light sensor
Temperature sensor
Yes
Text messaging
Insert pictures, video clips and sound clips easily (messaging charges apply)
Text messaging
Yes
Mobile email
Microsoft Outook
Music player
Music
Music player
Apple MusicĀ®
Supported music formats
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB
Hearing aid compatibility
This device is not hearing aid compatible.
Real Time Text (RTT) capable
Yes
Device Eco-rating
The AT&T Eco-Rating 2.0 system gives you environmental and social details about this device. The system uses a total of 20 performance criteria across 5 different attributes, for a total rating of 1 to 5 stars: 19-20 (5-star), 16-18 (4-star), 13-15 (3-star), 10-12 (2-star), 8-9 (1-star)
Substances of concern
4/4
Environmentally preferable materials
2/3
Energy efficiency and charging
1/1
End of life and recycling
2/2
Environmentally and socially responsible manufacturing
10/10
Total Eco-score
19/20 (5-star) Please visit att.com/ecospace for additional information.
ECG
Generates an ECG similar to a single-lead electrocardiogram.
Activity
Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone.
Advanced safety features
Siren, Backtrack, Fall Detection,8 Emergency SOS,9 and Crash Detection.
Heart Rate
Keep tabs on your resting, walking, and workout recovery heart rate.
Workout
Improved Workout app with new metrics, new views, and advanced ways to train.
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