Roland JUNO-DS61 61-key Synthesizer with 1 Year Free Extended Warranty Lightweight, gig-ready instrument with pro sounds, enhanced performance features, and battery-powered operation 61-note velocity-sensitive keyboard with synth action Includes all the sounds from the popular JUNO-Di, plus newly updated acoustic and electric pianos, additional organs, and other stage essentials Wave expansion slot enables users to download new sound waveforms, available for free at Roland's Axial website Sample import function for playing user WAV files on the JUNO-DS61's keyboard