Roland HP-704 PE - Super Natural Piano Modelling Piano Sound (unlimited polyphony), PHA-50 Keyboard: Wood and Plastic Hybrid Structure, with Escapement and Ebony/Ivory Feel (88 keys), 324 sounds, 384 voices polyphone, twin piano mode, transposer, Brilliance, dampfer resonance, Headphones 3D Ambience-Funktion, metronom, internal recorder with 3 tracks, record format 0, WAV 44.1 kHz / 16-bit linear, external memory: USB Media, playing software: standard MIDI Files (Format 0), audio data (WAV 44.1 kHz / 16-bit Linear-Format), LCD display, 3 pedals, Line In jack (3,5mm stereo jack), Line Out jacks (L/Mono, R), USB to Host, USB to Device, bluetooth 4.0 Midi, headphone, incl. power supply, keycover, Acoustic Projection speaker system 25W x 2, 5W x 2, Roland Piano Every Day App, dimensions incl. music rest B x T x H in mm: 1377 x 468 x 1113, weight: 61 kg, color: polished ebony, 10 years warranty