This is not a simple "Piano Keyboard", because it supports 128 musical instruments, including Piano, Dulcimer, Accordion, Harmonica, Guitar, Bass, Violin, Trumpet, Sax, Flute, Banjo, Tinkle Bell, etc.

Features:
- 128 different musical instruments.
- 3 keyboard layouts: 21 Keys, 36 Keys and 72 Keys.
- Black keys on/off.
- 4 label options: "CDEFGAB", "Do Re Mi Fa Sol La Si", "1234567" and Disable.
- 5 languages for the instrument list: English, France, Spanish, Chinese and Japanese.
- Record and Replay.

The full musical instrument list:
1 - Acoustic Grand Piano
2 - Bright Acoustic Piano
3 - Electric Grand Piano
4 - Honky-tonk Piano
5 - Electric Piano 1
6 - Electric Piano 2
7 - Harpsichord
8 - Clavinet
9 - Celesta
10 - Glockenspiel
11 - Musical box
12 - Vibraphone
13 - Marimba
14 - Xylophone
15 - Tubular Bell
16 - Dulcimer
17 - Drawbar Organ
18 - Percussive Organ
19 - Rock Organ
20 - Church organ
21 - Reed organ
22 - Accordion
23 - Harmonica
24 - Tango Accordion
25 - Acoustic Guitar(nylon)
26 - Acoustic Guitar(steel)
27 - Electric Guitar(jazz)
28 - Electric Guitar(clean)
29 - Electric Guitar(muted)
30 - Overdriven Guitar
31 - Distortion Guitar
32 - Guitar harmonics
33 - Acoustic Bass
34 - Electric Bass(finger)
35 - Electric Bass(pick)
36 - Fretless Bass
37 - Slap Bass 1
38 - Slap Bass 2
39 - Synth Bass 1
40 - Synth Bass 2
41 - Violin
42 - Viola
43 - Cello
44 - Contrabass
45 - Tremolo Strings
46 - Pizzicato Strings
47 - Orchestral Harp
48 - Timpani
49 - String Ensemble 1
50 - String Ensemble 2
51 - Synth Strings 1
52 - Synth Strings 2
53 - Voice Aahs
54 - Voice Oohs
55 - Synth Voice
56 - Orchestra Hit
57 - Trumpet
58 - Trombone
59 - Tuba
60 - Muted Trumpet
61 - French horn
62 - Brass Section
63 - Synth Brass 1
64 - Synth Brass 2
65 - Soprano Sax
66 - Alto Sax
67 - Tenor Sax
68 - Baritone Sax
69 - Oboe
70 - English Horn
71 - Bassoon
72 - Clarinet
73 - Piccolo
74 - Flute
75 - Recorder
76 - Pan Flute
77 - Blown Bottle
78 - Shakuhachi
79 - Whistle
80 - Ocarina
81 - Lead 1(square)
82 - Lead 2(sawtooth)
83 - Lead 3(calliope)
84 - Lead 4(chiff)
85 - Lead 5(charang)
86 - Lead 6(voice)
87 - Lead 7(fifths)
88 - Lead 8(bass + lead)
89 - Pad 1(new age)
90 - Pad 2(warm)
91 - Pad 3(polysynth)
92 - Pad 4(choir)
93 - Pad 5(bowed)
94 - Pad 6(metallic)
95 - Pad 7(halo)
96 - Pad 8(sweep)
97 - FX 1(rain)
98 - FX 2(soundtrack)
99 - FX 3(crystal)
100 - FX 4(atmosphere)
101 - FX 5(brightness)
102 - FX 6(goblins)
103 - FX 7(echoes)
104 - FX 8(sci-fi)
105 - Sitar
106 - Banjo
107 - Shamisen
108 - Koto
109 - Kalimba
110 - Bagpipe
111 - Fiddle
112 - Shanai
113 - Tinkle Bell
114 - Agogo
115 - Steel Drums
116 - Woodblock
117 - Taiko Drum
118 - Melodic Tom
119 - Synth Drum
120 - Reverse Cymbal
121 - Guitar Fret Noise
122 - Breath Noise
123 - Seashore
124 - Bird Tweet
125 - Telephone Ring
126 - Helicopter
127 - Applause
128 - Gunshot