This roll-up piano is carefully engineered for quality sounds. The piano takes up just a little space in your house. With a lightweight and bendable design, this piano promises maximized flexibility. 

• 61(49) standard keys.
• Standard 440Hz tone.
• 3-dimensional keyboard.
• 30 demo songs,128 tones,128 rhythmic patterns.
• Single finger chord, fingered chord, synchronous chord.
• 16-stage volume.
• With line-out jack (connect to computer or speaker).
• With new sound effects, e.g. sustained notes.
• Power source: 4 AA batteries and/or power adapter.
• Certification: CE, RoHS.