Yamaha PSS-A50, Keyboard, Enables mobile creativity with integrated Arpeggiator and Phrase Recorder, 37 Velocity sensitive slim keys, 32 Voice polyphony, 42 Voices (instruments), 138 Arpeggio types, Phrase Recorder, Motion effect, USB-MIDI connection for DAW home recording setup, Power supply via battery or USB bus (USB power adapter sold separately), 1.4 W speaker, Headphone jack, USB to Host connection (MIDI, USB micro B), Dimensions: 506 x 54 x 201 mm, Weight: 1.2 kg, USB cable included