Yamaha PSR-E303

The Yamaha PSR-E303 is a portable keyboard designed for beginners and hobbyists. It has been used by many musicians, including John Legend, Alicia Keys, and Bruno Mars. The PSR-E303 features 61 full-size keys, 32-note polyphony, and a variety of voices, styles, and effects. It also has a built-in metronome, a pitch bend wheel, and a USB port for connecting to a computer. The keyboard is powered by six AA batteries or an optional AC adapter.