1) 88 Keys professional MIDI keyboard
2) Portable, fashion, concise, easy to carry
3) Makes you feel absolutely the same as real piano
4) Play, record and edit your music become easy
5) Limitless professional sound
6) Built-in speaker, chargeable with battery
7) Rhythm: 100
8) Tone: 128
9) Demo songs: 23
10) Recording function: 740 record notes playback
11) Rated voltage: DC 5V (4x 1.5V AAA batteries, not included)
12) Output: 500mW
13) Keyboard: 133 x 14.2 x 0.6cm
14) Main body: 23.5 x 9 x 2.7cm
15) Material: Silicone