61key roll up piano with elasticity touch keyboard

61key roll up piano with elasticity touch keyboard 1. Specification: A. Keypad: 49 standard keys, 4 tone groups +1 key 61 standard keys, 5 tone groups +1 key B. Timbre: 128 timbres (000-127; press number keys or Up&Down to select) C. Rhythm: 128 rhythms (000-127; press number keys or Up&Down to select) D. Demo tune: 30 demo tunes (30 English songs ,the Demo tunes are attached) E. Sound effect: vibrato, portamento F. Chord: single finger chord ,fingered chord, sync chord G. Hardware: 64-chord, with 2-channel 16-bit DAC output, inbuilt power amplification circuit H. MIDI OUT channel design; MIDI OUT cable is optional I. Recording: 336 recording notes (including NOTE ON and NOTE OFF process), playback J. Digital display: display the state of the timbre, rhythm and demo tune of the Hand Roll Piano; the digital tube displays 000, indicating the timbre K. Inbuilt speaker: external headphone or amplifier can be connected (home theater) L. Power supply: power saving function, 4 AA batteries (available for about 12 hours), external power supply also can be connected: DC 6V 500MA M. Dimensions: 49 keys: Control box (piano): 220(W) x100(H) x33(D) mm Keys: 750(W) x 175(H) x 4.0(D) mm 61 keys: Control box (piano): 102(W) x 184(H) x 33(D) mm Keys: 885(W) x 175(H) x 4.0(D) mm 2. Features: I. Small and portable, suitable for performance and ensemble by students; II. Suitable for students in primary school and middle school, and music performance and common music practice; III. Press the Tim key to select among 128 timbres (000-127); IV. Press the Rhy key to select among 128 rhythms (000-127), and play in various rhythms; V. 4 AA batteries enables 10-12 hours playing; VI. With the headphone, you wont disturb other people while playing; home theater interface is also available; VII. Connect to PC with MIDI cable, ensuring easy composing.