Required to use smartwatch over cellular; rate plan required
Sensors
Accelerometer
Sensors
Electrical heart sensor
Third-generation optical heart sensor
Temperature sensor
Depth gauge ±1m accuracy
Water temperature sensor
Compass
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Ambient light sensor
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
3/4
Environmentally preferable materials
0/3
Energy efficiency and charging
1/1
End of life and recycling
1/2
Environmentally and socially responsible manufacturing
8/10
Total Eco-score
13/20 (3-star) Please visit att.com/ecospace for additional information.
Workout
Improved Workout app with new metrics, new views, and advanced ways to train.
Advanced safety features
Siren, Backtrack, Fall Detection, Emergency SOS, and Crash Detection. 9
Activity
Set workout-specific goals, see full summaries when you're done, and track how you're trending over time.
ECG
Generates an ECG similar to a single-lead electrocardiogram.
Heart Rate
Keep tabs on your resting, walking, and workout recovery heart rate.
Text messaging
Yes
Music player
Apple Music®
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