... fidelity Desktop, dual headset microphone, MIDI, LCD display Electronic Digital PianoSPEAKER: 6.5 in. full-range high-fidelityDesktop, ... dual headset microphone,MIDI, LCD display the signal input and output Keyboard: 88 Progressive Hammer Keyboard Audio: ... fine-tuning, DSP digital sound effect Interface: Headphone, microphone, MIDI IN / MIDI OUT port, the signal input and signal output ...