Easy to use, Fun to Play - the perfect choice for your first keyboard instruments, 44 mini keys make it easy to play, even for small hands 50 rhythm patterns in a variety of genres, including pops, ballad, dance, and more Maximum 32 note Polyphony, tempo range 20~255, Layer Sustain, Octave Shift, Scale Function 10 built-in songs to play along with – or mute the melody and play it yourself, 100 high-quality built-in tones covering a range of instruments, including piano, wind, percussion and many others, sampled from acoustic instruments Reverb: Adds a reverberation effect to the sound for a broader range of musical expression || Metronome:Useful for practicing playing at a constant tempo || Transpose: Raise or lower notes in semitone steps || Tuning: Adjust the tuning in 1Hz increments to match other instruments or vocals || Input/Output terminals: Yes (stereo mini jack) || Adaptor included