Roland’s Aerophone series has opened a new world of creative possibilities for wind instrument players, and Aerophone Pro delivers the most expressive and playable experience yet. With a refined design, premium components, and a vast sonic palette from our most advanced sound engines, Aerophone Pro takes your music where it’s never gone before. More playable and responsive than ever with low-latency sensors and controls. Traditional saxophone fingering makes the experience familiar and easy. Over 300 acoustic and electronic sounds from traditional to modern and world instruments. Newly modeled SuperNATURAL tones with authentic acoustic sound and response. Advanced ZEN-Core Synthesis System for vintage and modern synthesizer sounds. 6 AA batteries not required. (not included) Layer up to five-part harmonies or play along with the new drone function. Bluetooth audio and MIDI, USB MIDI, and traditional MIDI ports. Built-in speaker, headphones jack, and battery power so you can play anywhere.