Product Description CASIO CTK-2550 ( STANDARD) Number of Keys 61 Maximum Polyphony 48 Number of Tones 400 Number of Rhythms/Patterns 100 Automatic Accompaniment Yes Built-in Songs 60 Songs Lesson Lite, Scoring System, Voice Fingering Guide, Part Select (Right hand, Left hand, Both hands) Speaker 10cm x 2 Amplifiers 2W 2W Power Supply 2-way [Batteries] AA-size alkaline batteries x 6 Approximatery 12 hours [AC Adaptor] AD-E95100L (DC 9.5V) Power Consumption 5.5W Dimensions 946 x 307 x 92 mm (w/o music stand) Weight 3.3 kg Color Black Included Accessories Music stand Effects Virtal Hall Reverb (10 types) Transpose -12 semitones ~ 0 ~ 12 semitones Tuning Control A4 = 415.5 Hz ~ 440.0 Hz ~ 465.9 Hz One Touch Presets Yes Metronome 0 to 9 beats; tempo range: 20 to 255 LCD Yes Dance Music Mode Yes Others ・Auto Power Off AUDIO IN Stereo mini jack PEDAL ・Sustain：Standard jack (sustain, sostenuto, soft, rhythm) PHONES/OUTPUT Stereo standard jack Connection to App Yes (Chordana Play Built-in Songs Yes
