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Pro Heart rate sensor
Pro Works well with iPhone
Health apps downloaded on iPhone can be integrated with Apple Watch
Pro First -rate app support
Pro Standalone phone calls
Series 3 can make and receive phone calls by itself, without the need to connect to a smartphone.
Pro Haptic feedback for notifications
Pro Digital Crown
The Digital Crown allows you to zoom in and out with various applications and can be used as a button.
Pro Sensitive touch
Allows for taps and presses to be registered as two different types of input.
Apple Watch is said to cost $349 USD.
Con Works only with iPhones
You need to have an iPhone (5 or later) to pair this smartwatch. It will not work with any other device, and has limited capabilities on its own (and still require the iPhone for the initial setup).