The Ribbon 2 is a one-oscillator synth, played by placing your finger along the 4-octave ribbon. The Ribbon is pressure sensitive, translating pressure into volume.
The Ribbon can also be used as a USB controller with any MIDI software, and as a CV/gate controller.
The Eowave Ribbon 2 has a street price of 269 €. See the Eowave site for details.