Light, portable, powerful! Great piano for stage and also in the studio. Using smart Hybrid Hammer Action Keys, you will love the feel and tonality of this instrument . 23 tones including a German concert grand! Illuminated touch sensor controls , dual headphone jacks for teacher and student, Class compliant USB - nothing to install. USB audio and MIDI. Can run on 6AA batteries as well as AC (adapter included). Works with Casios Music Space App. In stylish black.