Bundle includes PSRE EW300 keyboard, PKBS1 keyboard stand and PA130 power supply A 76 key portable keyboard with 574 voices, 165 styles and 154 preset songs; Recording number of songs 5; Number of tracks 2; Data capacity approx; 10,000 notes Yamaha Education Suite (Y.E.S.) allows you to practice using the preset songs (or MIDI files on compatible instruments) at your own pace, 1 hand at a time, or both together Touch tutor lesson mode tracks the velocity or strength the keys are played at in order to teach dynamics USB to host connectivity with MIDI and audio transfer means you only need 1 cable to connect to your music making software. Number of Polyphony (Max.): 48