In other words, headphones worn on your face. Google 's " Project Aura " , the team responsible for the Glass , is said to be working on at least three new head - mounted wearables , including at least one that relies purely on audio , targeted at sports users . Last year , the Project Aura team hired a number of employees from Amazon , including audio engineers . Instead of headphones , the audio device uses bone conduction , vibrating sound to transmit through the user 's skull . Google is said to be targeting next year for a release .
Google 's " Project Aura " , the team responsible for the Glass , is said to be working on at least three new head - mounted wearables , including at least one that relies purely on audio , targeted at sports users . Last year , the Project Aura team hired a number of employees from Amazon , including audio engineers . Instead of headphones , the audio device uses bone conduction , vibrating sound to transmit through the user 's skull . Google is said to be targeting next year for a release .