Casio GP-310 BK Celviano, Grand hybrid digital piano, Developed in cooperation with C. Bechstein, Natural grand hammer action, AiR Grand Sound Source Sound generation, 88 Keys, Three famous piano sounds in one instrument, 26 Timbres, 256-Voice polyphony, Audio recording/playback, 6 Demo songs, Concert play function, Layer, split and duet function, DSP, Chorus, Brilliance, Volume sync equalizer, Reverb simulator, Damper resonance, String resonance, Lid simulator, Transposer, Metronome, 3 Pedals, LCD with backlight, Speaker: 2x 30 W + 2x 20 W, 2 Headphone jacks, USB to host, USB to device, Line in: Left/right, Line out: Left/right, MIDI In/Out, Dimensions including stand (W x D x H): 1434 x 489 x 963 mm, Weight: 78.5 kg, Colour: Matt black, Includes music book, music holder and power supply unit