88 Keys Portable Digital Piano Standard Velocitys Keyboard Professional Edition Electronic Piano Description Specifications: Material:PVC; Color:Black; Keyboard:88 standard keys (including black keys), range: A1 ~ C9. Timbres: 128 timbres; Rhythm:128 rhythms; Demonstration song:80 songs; Rhythm function, demonstration music function, recording and playing function; double keyboard function, chord function, metronome function; Hardware:64 chord, with 2-channel 16 bit DAC output, built-in power amplifier circuit; Output function:three digit digital display; Package Included: 1 x Keyboard Piano; 1 x Adapter; 1 x Sustain Pedal; 1 x Manual