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NumberSync Capable
Required to use smartwatch over cellular; rate plan required
NumberSync capable
Yes
Wi-Fi connectivity
Wi-Fi 4 (802.11n)
Wi-Fi connectivity
Wi-Fi 5 (802.11ac)
Wi-Fi capability
2.4GHz and 5GHz
Wi-Fi capability
2.4GHz & 5GHz
Near Field Communication (NFC)
Open, Secure
Bluetooth technology
5.3
Bluetooth® technology
v5.2 + EDR, A2DP, HS, LE
SIM type
Electronic SIM
SIM type
eSim
Wireless emergency alerts (WEA) capable
Yes
4G LTE
Bands 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66
4G LTE
Bands 2, 4, 5, 12, 13, 17, 25, 26, 66, 71
UMTS/HSPA+
850/1700/1900/2100MHz
HD Voice capable
Yes

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
Noise monitoring
Fall Detection
Emergency SOS
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.

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
3/3
Energy efficiency and charging
1/1
End of life and recycling
2/2
Environmentally and socially responsible manufacturing
7/10
Total Eco-score
16/20 (4-star) Please visit att.com/ecospace for additional information.

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Watch Series 10 46mm

Pixel Watch 3 41mm

Size (mm)

Size (inches)

Display size

Display size (inches)

Battery life

Battery capacity

Chipset

Chipset

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