Required to use smartwatch over cellular; rate plan required
NumberSync capable
Yes
Wi-Fi connectivity
802.11b/g/n
Wi-Fi connectivity
Wi-Fi 4 (802.11n)
Wi-Fi capability
2.4GHz and 5GHz
Wi-Fi capability
2.4GHz & 5GHz
Bluetooth technology
5.3
Bluetooth® technology
v5.3 + EDR, A2DP, HS, LE, aptX®
SIM type
Electronic SIM
SIM type
eSim
HD Voice capable
Yes
Near Field Communication (NFC)
Open, Secure
FirstNet Ready®
Yes
Wireless emergency alerts (WEA) capable
Yes
Workout
Improved Workout app with new metrics, new views, and advanced ways to train.
Advanced safety features
Siren, Backtrack, Fall Detection,8 Emergency SOS,9 and Crash Detection.
Activity
Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone.
ECG
Generates an ECG similar to a single-lead electrocardiogram.
Heart Rate
Keep tabs on your resting, walking, and workout recovery heart rate.
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
Sensors
Accelerometer, Ambient light, Barometer, Gyroscope, Heart rate, Temperature
Temperature sensor
Yes
Text messaging
Yes
Text messaging
Insert pictures, video clips and sound clips easily (messaging charges apply)
Mobile email
Microsoft Outook
Music player
Apple Music®
Music player
Music
Supported music formats
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB
Real Time Text (RTT) capable
Yes
Hearing aid compatibility
This device is not hearing aid compatible.
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.
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