Improved sound quality and keyboard feel Piano-style keyboard An easy-to-play keyboard with an appearance resembling that of an acoustic piano. Touch Response Touch Response let's you add delicate nuances to notes by varying how much pressure you apply to keyboard keys. Digital effects Use effects to add reverb for more depth and breadth in your music. Chordana Play Add to the fun by linking the keyboard with the downloaded Chordana Play app in your smart device. Key Features Keys: 61 touch-sensitive, piano-style keys Polyphony: 48-note Tones: 400 built-in tones Rhythms/Patterns: 100 built-in rhythms, 50 Dance Music patterns Songs: 60 built-in songs for learning Effects: 10 Reverb types, Virtual Hall, Dance Music Effect Pitch Bend Wheel: Included for pitch modulation Lesson System: Step-Up Lesson system with Voice Fingering Guide Speakers: Built-in stereo speakers (2W + 2W) LCD Display: Yes Connectivity & Power Headphone Output: Yes, standard stereo jack Audio Input: Yes, 3.5mm Aux In Sustain Pedal Input: Yes USB Port: Yes, USB to Host (Type B) for MIDI connection Power: 6 AA batteries or included AC adapter (AD-E95100L)