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 CS-5, 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.