MK821 was a 61 keys standard Piano Keyboard, LCD Display with USB.
- Audio input functions ( Mobile phone and other audio can be inputed into the electronic keyboard to play)
- 255 Timbres and 255 rhythms
- 50 Demonstration Songs
- Product Dimensions: 930 x 340 x 110(mm)
- Power supply: DC 12 V/ ACmAdapter
- Warranty 1 year