High quality portable piano keyboard 88 keys ,Portable Digital MIDI Roll-up Soft Electronic Piano Keyboard
1. 88 Standard keys;
2. Standard 440 Hz Tone,with vogue appearance;
3. 3-Dimensional Keyboard(The black keys is higher than white);
4. 30 demo songs,128 Tones,128 rhythm,Single Finger/ Finger Chords,Synchronous chords,
5. 16-stage volume adjustable,with Out Exp Jack( connected to computer or speaker),
6. With new sound effects such as Sustain, trill.
7. 4 AA battery and power adapter are available.
Certification: CE, FCC,RoHS
The invention patent No. for Hand Roll Piano:ZL200310101210.1