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64 GB

64GB

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

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

11

Subject to change based on future operating system updates

9

Subject to change based on future operating system updates

Required to use smartwatch over cellular; rate plan required

Required to use smartwatch over cellular; rate plan required

Wi-Fi 4 (802.11n)

802.11b/g/n

2.4GHz and 5GHz

2.4GHz and 5GHz

5.3

5.3

Electronic SIM

Electronic SIM

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

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

850/1700/1900/2100MHz

850/1700/1900/2100MHz

Generates an ECG similar to a single-lead electrocardiogram.

Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone.

Noise monitoring