Roland HP-704 DR, Digital Piano, Super Natural Piano Modelling Tone Generation (Unlimited Polyphony), 88 Keys PHA-50 Keyboard: Wood/plastic hybrid structure with pressure point and synthetic ivory/ebony surface, 324 Sounds, 384 Voices polyphonic, Twin Piano Mode, Transposer, Brilliance, Damper resonance, Headphones 3D Ambience function, Metronome, Internal recorder, Recordings storable in format 0, WAV 44.1 kHz / 16-bit linear, External storage: USB media, Playable software: standard MIDI files (format 0), audio data (WAV 44.1 kHz / 16-bit linear format), LCD, 3 Pedals, Line In (3.5 mm stereo jack), Line Out (L/Mono, R), USB to Host, USB to Device, Bluetooth 4.0 Midi, Headphone output, Acoustic Projection loudspeaker system : 2x 25 W and 2x 5 W, Dimensions includes music stand (W x D x H): 1377 x 468 x 1113 mm, Weight: 59.5 kg, Colour: Dark Rosewood, Includes power supply, keyboard cover, Roland Piano Every Day App, 10 Years manufacturer's warranty