88 keys Digital Electronic piano with Speaker 1, 88 Electronic Keyboard (include black keys) 2, 400 Tones, 128 rhythms, 80 Demo Songs 3, Hot plug, no need driver. 4, Digital display, Master volume control key, Tempo control key 5, Dynamics function , Trans, Tutorial, recording, programming and Reset, Dual Voice, Bluetooth MIDI function and so… Read the full article