CES 2017: Solos smartglasses help cyclists get fitter

A specialised type of smartglasses designed to help cyclists get fitter is on show at the CES tech show in Las Vegas.

Smartglasses as a category have failed to make much impact to date, but Solos believes there is untapped demand for its product, as Chris Foxx reports.

Follow all our CES coverage at bbc.co.uk/ces2017