Features 32 mini keys make it easy to play, even for small hands 100 high-quality built-in tones covering a range of instruments, including piano, wind, percussion and many others, sampled from acoustic instruments Tone direct buttons let you select piano, trumpet or drum set tones with a single touch 50 rhythm patterns in a variety of genres, including pops, ballad, dance, and more 10 built-in songs to play along with – or mute the melody and play it yourself Specifications Useful performance functions: Octave shift: Raise or lower the pitch of notes in octaves to cover a wide range of registers Tuning: Adjust the tuning in 1Hz increments to match other instruments or vocals Transpose: Raise or lower notes in semitone steps Metronome: Useful for practicing playing at a constant tempo Tempo adjustment: Change the tempo of the rhythm and metronome to suit the music Reverb: Adds a reverberation effect to the sound for a broader range of musical expression Maximum 32-note polyphony: Designed so that keys will sound even when many others are played at the same time LCD screen: Everything you need to know in one place Number of Keys 32 Maximum Polyphony 32 Number of Tones 100 Number of Rhythms/Patterns 50 Built-in Songs 10 Songs Melody Off Speaker 8cm x 2 Amplifiers 0.5W + 0.5W Effects Reverb (ON/OFF) Octave Shift -1 octave ~ 0 ~ +1 octave Transpose -12 semitones ~ 0 ~ +12 semitones Tuning Control A4 = 416~440~465Hz Metronome Beat bell: Off, 1 to 9 (beats), tempo range: 20 to 255 LCD Yes Type: Full-dot Others - Tone buttons (PIANO, TRUMPET, DRUMS) - Auto Power Off Input/Output Terminals PHONES/OUTPUT Yes: Stereo mini jack