76 full-size keys with touch response. Ideal musical partner for beginners and seasoned players. Sleek portable design. Stereo grand piano plus 60 other AiX-powered tones. 13 Watt bass-reflex stereo speaker system with surround effect. Easy one-button recorder and metronome. Remote control with the Casio Music Space app via USB or the optional WU-BT10 Bluetooth MIDI/Audio adapter. Optional 8 x AA battery power . Includes: AC adapter. Music rest.