Cologne, 12th December 2011 – sonoro audio, German designer and engineer of distinctive, high quality audio products has announced today the availability of its felt sleeves for cuboGo. Three fashionable felt sleeves expand the existing assortment of interchangeable sleeves and offers even more possibilities for the portable lifestyle radio and brings to it a unique note. The interchangeable felt skins for cuboGo are now available in three colour variations: green, berry or light grey and can be found in design and AV stores, selected online shops and catalogues.