Welcome to Selly studio's Casiotone Mini Keyboard SA-81 with Piano tones, Black About this item 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 Item Weight ?1.4 Kilograms Included Components ?Piano tones Finish Type ?Polished . Product Dimensions ?60.4 x 21.1 x 5.7 cm; 1.4 kg Batteries ?6 AA batteries required. Item model number ?SA-81H5 Hardware Interface ?USB Number of Keyboard Keys ?44 Audio Wattage ?1 Watts Size ?Mini Proficiency Level ?Beginner Power Source ?Corded Electric Item Weight ?1 kg 400 g Country of Origin ?india