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32GB | 64GB

32GB

2GB

Powered by Samsung 5.0

Subject to change based on future operating system updates

9

Yes

Ask Siri to set a reminder, send an invitation, or give you directions, all without your phone.

Bands 2, 4, 5, 12, 13, 14, 25, 26, 66, 71

Bands 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66

850/900/1700/1900/2100MHz

850/1700/1900/2100MHz

Yes

Yes

Required to use smartwatch over cellular; rate plan required

Wi-Fi 4 (802.11n)

802.11b/g/n

2.4GHz & 5GHz

2.4GHz and 5GHz

Open, Secure

v5.3 + EDR, A2DP, HS, LE, aptX®

v5.0

eSim

Electronic SIM

Yes

Yes

Yes

Accelerometer, Ambient light, Barometer, Gyroscope, Heart rate, Temperature

Ambient light, accelerometer, barometric altimeter, built-in GPS, gyroscope, third-generation optical heart rate

Insert pictures, video clips and sound clips easily (messaging charges apply)

Yes

Microsoft Outook

Music

Apple Music®

MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB

Yes

This device is not hearing aid compatible.

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)

4/4

2/3

1/1

2/2

10/10

Track a casual walk, an intense ride, and everything in between.

Set workout-specific goals, see full summaries when you're done, and track how you're trending over time.

Keep tabs on your resting, walking, and workout recovery heart rate.