The specifications of the WK - 500 Musical Keyboard offered by Casio are as follows:

WK - 500 Musical Keyboard - 76 Piano Style, touch sensitive keys, 670 Tones, 48 note Polyphony, 200 Rhythms, 152 Tunes, 5 Songs. USB MIDI Interface, SD Card Slot.

Step Up Lesson System with Voice Guide and Scoring. MP3 Player Input with 10 second sampling.

Technical Specs

WK-500 Technical Specifications

Keyboard
76 standard-size keys
Touch Response
2 sensitivity levels, Off

Maximum Polyphony
48 notes (24 for cetain tones)

Built-in Tones
670

Tones
Sampling
Up to 8 (Melody Sampling: 5, Drum Sampling: 3)
Tones
Up to 10 seconds
Functions
Layer, Split

Digital Effects
10 Reverbs, 5 Choruses

Pitch Bend Wheel
Pitch Bend Range
0 to 12 Semitones
Step-Up Lesson: 4 (Listen, Watch, Remember, Auto)

Power Consumption
12V - 18W

Dimensions
46 3/4 x 15 3/4 x 6 1/8 inch

Song Bank
Built-in Songs
152
User Songs
Up to 10

Casio WK500 Specification