Best Handheld Spotting Scopes Japanese Invention: What Is The Name For This Handheld Illuminating Button Devicethat Can Layer Digital Sound?

Japanese Invention: What is the name for this handheld illuminating button devicethat can layer digital sound? - best handheld spotting scopes

Once I saw on Youtube, but I forgot, "Favorites" and now I can not find it. It would be nice if I knew what it was called. I only know that the handheld device, a digital device that will control by pressing the buttons that light up is possible. Through a series of different disks, you can rearrange and right, the new level and the establishment of bicycle lanes own music there. The handheld device is the size of two and there is no PSP screen, lighting only the buttons show the flash and / or exploration along the line speed or resonance. It seemed almost like a game, but it was more like an instrument.