Several wearers have complained of "hissing" and distortion in Google's premium earbuds.
By Jane Wakefield
The fans de-pollute and cool the air meaning the mask does not need a tight seal against the face.
Mojo Vision has revealed its new lens which puts augmented reality in front of your eyes.
By Leo Kelion
Technology desk editor
By Adrienne Murray
Business reporter, Copenhagen
Could machine learning and voice recognition replace a personal trainer?
By Nicola Kelly
BBC World Service
Leo Gebbie senior analyst, wearables & VR at CCS Insight, has some thoughts on that potential Google bid for Fitbit. He said:Quote Message: Fitbit has an exceptionally strong brand in the wearables space, with a large engaged user base and valuable user data. This has huge appeal to a data-driven business like Google. Although Google has been lukewarm in its commitment to wearables recently, this indicates it is serious about the segment and could provide a boost to its ambitions.