Casio CTK-2500

Specs
Keyboard 61 piano-style keys
Maximum Polyphony 48
Tones 400 built-in tones
Rhythms/Patterns 100 built-in rhythms, 50 Dance Music rhythms
Lesson Function Lesson Lite, Repeat, Lesson Part Select (Right hand, Left hand, Both hands), Performance evaluation, Voice fingering guide
Connection to APP Yes
Auto Accompaniment
Modes: CASIO Chord, Fingered 1, Fingered 2 (6th off), Fingered 3 (on bass), Full Range Chord
Controllers: Start/Stop, Intro, Normal/Fill-in, Variation/Fill-in, Synchro/Ending
Built-in Songs 60 (Song Bank)
Metronome Beats: Off, 1 to 9 (Tempo range: quater note = 20 to 255)
Other Functions Dance Music Mode
One Touch Preset: 100 sets
Rhythm/Song Bank controller
Key Transpose ±1 octave (-12 to 0 to +12 semitones)
Tuning Control A4 = 415.5 to 465.9 Hz (Initial Default: 440.0 Hz)
Pedals Standard jack (sustain, sostenuto, soft, rhythm)
Speakers 10cm x 2
Amp Output 2W+2W
Power Requirements Batteries: AA-size x 6 / AC Adaptor: AD-E95100L
Dimensions (W x D x H) 946 x 307 x 92 mm
Weight 3.3kg (Without batteries)
Body Color/Finish Black