Close-up look at Android Wear watch
26 June 2014 Last updated at 00:16 BST
Google has announced the first smartwatches powered by its Android Wear operating system are now available for pre-order.
The LG G Watch and Samsung Gear Live - both featuring rectangular screens - mark an attempt to standardise the way Android wearable devices function.
Google's Director of Engineering David Singleton gives the BBC's Richard Taylor a demonstration of the technology's capabilities.