This is a Geek Squad Certified Open Box Product. See below for more information. With its simple and intuitive interface, the Casio CT-S1000 keyboard makes learning to play easy and fun. Ideal for beginners, it features 61 piano-style keys, 32 maximum polyphony, 122 built-in tones, and 61 built-in rhythms, digital effects, as well as audio inputs, an integrated metronome, and powerful speakers for rich sound.