Casio mini keyboard SA-81

44 mini keys, 32 note polyphony, 100 tones, 50 Rhythms, 10 built in songs, Reverb, (4 types), sustain button

Metronome, part select (Melody off), Full dot LCD display, Transpose, Octave shift.

Scale function: equal temperament +16, Phones / Output: stereo mini jack, Speakers 2x 8cm, Amp .8W +.8W.

6x AA size batteries or AC Adaptor.