These new wireless earbuds use hearing aid technology to ditch that dorky connecting wire that plagues other 'wireless' earbuds

... circumstances, one of which is wireless headphones, so it hasn’t been developed to the same extent. The exact form of the Skybuds is largely the brainchild of Gregor Berkowitz ...

https://www.businessinsider.com/skybuds-are-truly-wireless-earbuds-2015-10