This is a mini keyboard perfect for beginners and young learners. With 44 mini keys, this keyboard makes playing easy, even for those with small hands. The keyboard features 100 high-quality built-in tones, offering a wide range of instruments including piano, wind, percussion, and many others. With tone direct buttons, you can easily select piano, trumpet, or drum set tones with a single touch. The keyboard also includes 50 rhythm patterns in various genres such as pops, ballad, dance, and more. To get started playing, the keyboard comes with 10 built-in songs including Ode to Joy, Little Brown Jug, and Jingle Bells, among others. You can either play along with the melody or mute it and play the song yourself. This mini keyboard is perfect for anyone looking to learn and play music, regardless of their skill level. Features Layer: Play two tones layered together Sustain: Allows the sound to play on (sustain) after the key has been released. Reverb: Adds a reverberation effect to the sound for a broader range of musical expression. Choose from four types: ROOM, HALL 1, HALL 2 and STADIUM. Octave shift: Raise or lower the pitch of notes in octaves to cover a wide range of registers Scale Tuning (Temperament): In addition to the standard Equal Temperament tuning, choose from 16 other types of scale tuning, including Pure Major and Pure Minor tunings ideal for vocal harmony practice. Tuning: Adjust the tuning in 0.1Hz 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 Maximum 32-note polyphony: Designed so that keys will sound even when many others are played at the same time LCD display: Full-dot, three-level LCD display for an at-a-glance view of operation/function settings Specs Basic Information Number of Keys 44 Maximum Polyphony 32 Number of Tones 100 Number of Rhythms/Patterns 50 Built-in Songs 10 Lesson Function Melody Off Speaker 8cm x 2 Amplifiers 0.8W + 0.8W Power Supply 2-way Sold Separately - [AC Adaptor] AD-E95100L (DC 9.5V) Not Included - [Batteries] AA-size alkaline batteries x 6 (Approximately 12 hours continuous operation) AA-size rechargeable nickel metal hydride batteries x 6 (Approximately 10 hours continuous operation) Power Consumption 3.8W Dimensions 604 x 211 x 57 mm Weight 1.4 kg Color Black Key Features Effects Reverb (4 levels, off) Layer/Split Layer: Yes Octave Shift -1 octave ~ 0 ~ +1 octave Transpose -12 semitones ~ 0 ~ +12 semitones Tuning Control A4 = 415.5~440~465.9Hz Scales Equal temperament + 16 variations Metronome Beat bell: Off, 1 to 9 (beats), tempo range: 20 to 255 LCD Yes Type: Full-dot Others Others ・Tone buttons (PIANO, TRUMPET, DRUMS) ・Auto Power Off Input/Output Terminals PHONES/OUTPUT Yes: Stereo mini jack