But it also provides drivers with an audiblefeedback similar to that produced by a combustion engine, which makes driving easier at least, that's their story and they're sticking to it.
Upgrades to the SpareOnePlus include a location-based service which identifies the exact location of the cell ID, accessible through a free smartphone app, as well as audible numeric feedback which reads the number dialed and incoming calls aloud.
This promises to be a much more audible leap relative to traditional no-feedback speaker systems, and you should be able to spot the difference for yourself after the break.