Amazon.com Inc. is developing a voice-activated wearable device that can recognize human emotions. Amazon.com Inc. is developing a voice-activated wearable device that can recognize human emotions.The wrist-worn gadget is described as a health and wellness product in internal documents reviewed by Bloomberg. Its a collaboration between Lab126, the hardware development group behind Amazons Fire phone and Echo smart speaker, and the Alexa voice software team.Designed to work with a smartphone app, the device has microphones paired with software that can discern the wearers emotional state from the sound of his or her voice, according to the documents and a person familiar with the program. Eventually the technology could be able to advise the wearer how to interact more effectively with others, the documents show.Its unclear how far along the project is, or if it will ever become a commercial device. Amazon gives teams wide latitude to experiment with products, some of which will never come to market. Work on the project, code-named Dylan, was ongoing recently, according to the documents and the person, who requested anonymity to discuss an internal matter. A beta testing program is underway, this person said, though its unclear whether the trial includes prototype hardware, the emotion-detecting software or both.

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