Yamaha PSS-F30, Keyboard, 37 Mini keys, 32 Voice polyphony, 120 Voices (instruments), 114 Styles and Smart Chord function, 30 Songs, Free digital songbook, Various functions (sustain, metronome and more!), Battery (4x AA Batteries) and USB bus power supply (USB power adapter sold separately), 1.4 W speaker, Headphone jack, Dimensions: 506 x 54 x 201 mm, Weight: 1.2 kg, USB cable included