The Casio VL-Tone, also known as the Casio VL-1, was the first affordable electronic keyboard to hit the market. Priced at an affordable $69.95, it was designed to make music accessible to everyone. The VL-Tone featured 32 mini keys, a built-in speaker, and a simple interface that allowed users to play along with pre-programmed songs, create their own music, and even connect headphones.