Sporting 37 compact keys, five distinct oscillator modules and a maximum 8-note polyphony, the Yamaha Reface CS Mobile Mini Vintage Synth channels the signature sound of '80s synthesizers in a sleek, easily portable unit. Based around the timbre of Yamaha's beloved CS5, this mini maverick is always at hand for on the go jam sessions and also works flawlessly in bedroom production thanks to its MIDI functionality for affordable, authentic synth goodness.