For Beginners and Intermediate Pianists, 88 Scaled Hammer-Action Keys, Stereo Grand Piano + 9 Other Sounds, Layer Sounds, Duet Mode, Two 8W Speakers + Headphone Jack, Portable Slim Body Design, 23 lb, 1-Track MIDI Recorder, USB MIDI, 3.5mm Aux Input, Learn Piano with Music Space App, 13 h on 6 AA Batteries + Power Adapter. Weighing only 23 lb in a slim unibody that's barely larger than the keys themselves the red Casio CDP-S160 is a compact digital piano that offers an inspiring piano-playing experience with unprecedented portability. It delivers the sound response and feel of a traditional grand piano thanks to its 88 simulated ebony-and-ivory textured keys scaled hammer-action keybed and a beautiful stereo grand-piano tone. A collection of 10 instruments with adjustable reverb and chorus effects 64-note polyphony layer and duet modes metronome MIDI interface and built-in stereo speakers plus headphone output for quiet practice make this piano a great choice for students hobbyists or pianists who need a grand-piano sound in a small space. The CDP-S160's easy controls include a one-button MIDI recorder to capture and playback your performances. To further facilitate operation the piano settings can be controlled from your iOS/Android phone/tablet via USB using the free Casio Music Space app. The app also enables you to play your favorite MIDI files play audio files with independent pitch and tempo adjustment learn with interactive lessons and more. For portability and convenience the CDP-S160 can either run on 6 AA batteries or with the included power adapter. The piano comes with a music rest and a standard SP-3 sustain pedal. Optional matching wooden CS-470P stand with three fixed pedals and SP-34 three-pedal unit are available separately.