Keyboard: 88-Note, fully weighted, graded hammer-action with adjustable touch sensitive keys and 3-point velocity sensor Keyboard Sensitivity: 8 selectable response levels Display: 128 x 64, 1.2″ OLED Polyphony: 256 voice Preset Programs: 49 factory + 1 user General MIDI: No Performance Modes: Layer, Split Transpose: Full transposition to any key, +/- one octave Tune: +/- 100 cents Effects: Adjustable Reverb and Chorus Metronome/Rhythms: 8 metronome + 10 drum patterns Recorder/Sequencer: 1-track, 1 song Education: Bayer, Czerny, 100, 30, 40, Sonatine Demo Songs: 50 Sound System: 70W (25W x 2, 10W x 2) 4-speaker, stereo sound system Line In/Out: Left/Right RCA In Left/Right RCA Out 1/8″ Smart I/O (Smart I/O cable included) Headphones: (2) 1/4″ stereo headphone outs MIDI I/O: via USB USB: (1) port; Plug and Play USB functionality allows MIDI over USB for connecting to/from an external computer sequencer; no software driver needed Bluetooth: Yes Pedals: (3) built-in switch-type: sustain (w/ half damper), sostenuto, soft Finishes: Satin Rosewood, White Bench: Matching bench included Dimensions: 36.2″(H) x 55.1″ (W) x 18.7″ (D) 92 cm (H) x 140 cm (W) x 47.6 cm (D) Weight: 111.3 lb. / 50.5 Kg Power: 15VDC, 2.5A external power supply