The Williams Legato IV 88‑Key Digital Piano With Bluetooth & Sustain Pedal is a full-size 88-key digital piano with a velocity-sensitive keyboard, built-in Bluetooth Audio/MIDI, and a stereo speaker system that delivers rich, room-filling sound. It includes a sustain pedal, music rest, and connectivity for USB and auxiliary devices, making it a versatile choice for beginners and intermediate players to practice, learn with apps, and play along with external music.