1)88 hammer action keyboard 2)64-note polyphony,10 demo songs,12 voices,2 tracks 3)MIDI TG-DP2100 Keyboard 88 Hammer Action KeyboardTouch SensitivityNormal, Light, HeavyTone Generation Advanced PCM Stereo SamplingPolyphony 64 NotesBuilt-in Demos 10 SongsNumber of Voices 12 VoicesRecording2 tracksPedals Sustain, Soft, SostenutoEffect Reverb, ChorusControls Power,Dual, Split, Record/Play, Metronome ...