Description For Piano Enthusiasts Contemporary Upright Design 88-Key PHA-4 Standard Hammer Action SuperNATURAL Piano Sounds, 15 Tones Sustain, Soft, and Sostenuto Pedals 16W Speakers, Dual Headphone Jacks Bluetooth Audio/MIDI, USB Audio/MIDI Roland Piano App Lessons, 377 Songs 256-Note Polyphony, Twin Piano Mode Onboard Recording, Metronome