... Digital Piano SPEAKER: 6.5 in. full-range high-fidelity Desktop, dual headset microphone, MIDI, LCD display Electronic Digital ... Screen: LED display Tone: 128 tones Rhythm: 50 different styles of percussion rhythm +9 group Demo ... Tone Control: Sustain, pitch, Yinfen fine-tuning, DSP digital sound effect Interface: Headphone, microphone, MIDI IN / ... best to cooperate with you. Electronic Digital Piano