Full-Size portable 88-note piano. Lightweight and road-ready, with optional battery power and headphones, this mobile instrument has a full-size 88-note keyboard and sounds derived from Roland’s best digital pianos, so you can play with the correct technique and expression – vital for classical music or more complex pieces. GO:PIANO88 also features high-quality onboard Bluetooth speakers that hook up to your smartphone to create a simple and compact learning solution.