http://www.techradar.com/news/amazon-is-making-it-easier-to-bring-alexa-to-devices-like-headphones-and-smartwatches

Amazon is determined to get its Alexa voice assistant onto as many devices as possible. 

Only one day after it announced that it had released tools for developers who want to add Alexa support to ovens and microwaves, Amazon has today announced that's it's working on a development kit aimed at bringing Alexa to "mobile accessories."