... in. full-range high-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 ... -tuning, DSP digital sound effect Interface: Headphone, microphone, MIDI IN / MIDI OUT port, the signal input and signal output Finishing: PVC ...