Apple Watch pairs with an iPhone using Bluetooth 4.0. Apple Watch will also stay connected to an iPhone using Wi-Fi, as long as both devices are on the same Wi-Fi network.
An iPhone is required to use the Apple Watch. Once connected, apps on the watch will exchange data with the iPhone to deliver relevant information to the Apple Watch.
No, Apple Watch utilizes a proprietary band design that locks into place. A button on the back of the Apple Watch case releases the band, which slides out of the watch.
Standard 22mm watch bands cannot be used with an unmodified Apple Watch.
No, the Apple Watch internal battery will not be user-replaceable.
Much like other Apple products including the iPhone and iPad, getting a new battery for Apple Watch requires visiting an Apple retail store or authorized service provider.
The good news is the battery can be replaced at these locations. The battery is expected to have a three-year life cycle.
There are no accessories available for Apple Watch at this time.
Some reports speculate that future Apple Watch accessories will include special bands with additional functionality.
Apple Watch comes pre-installed with Watch OS and stock apps designed by Apple.
Below is a list of built-in apps that come with the Apple Watch:
