CASIO VL-1 - VL TONE (1981) The Synthesizer in the Pocket Calculator - How make own sounds? - YouTube
Casio VL-TONE - YouTube
Starxxon on X: "Adding a new member to the Casio VL-Tone family, the Casio VL-5! It's a larger, polyphonic version of the original VL-1. https://t.co/HKpLt24Eyf" / X