ACCOMPANYING KEYBOARD WITH SPEAKERS Portable keyboard with automatic accompaniment. Audio Input for Mobile Phones or other Devices. 61 standard size keys. 300 sounds / 300 rhythms. 21 DEMO songs. Percussion mode on the keyboard. Master Volume Control and Accompaniment / Transpose / Tempo. Start / Stop / Sync / Fill-in / Metronome function. Single Chord / Fingered Chord modes. Recording and Playback Functions. Sustain / Vibrato / Keyboard Division / Click functions. One-Key / Follow / Ensemble functions. 3 memories. Headphone audio output, microphone input, audio input, pedal input. Dimensions: 908 x 205 x 20 (mm). Power supply: 9V adapter included.