Color Black + White Model PN61S Material Silicone Quantity 1 Piece Shade Of Color Black Instrument Type HarmonicaOthersRoll up piano Panel ABS Fingerboard Silicone Other Features With 128 tones 40 demo songs; recording: 740 notes; hardware: 64 chord with 2-CH 16-digit DAC output and built-in speaker circuit; with 12 digital volume shift; output: 3-digit digital output; with more than 128 tones such as piano violin organ guitar saxophone and 100 rhythm; made of durable comfortable and flexible silicone; 4 x AA new batteries (not included) can last 12~15 hours. Packing List 1 x Flexible piano