Joyabit Flat Panel Glass Disk With Amazing Visual Display - Plasma Light Which Responds to Both Touch and Sound - Colorful Clip - Pocket (Green)

The Luminglass uses miniature electronics to create a clear, flat panel glass. Portable and convenient, this clip-on can be worn or attached anywhere even in your car. Disk with an amazing visual display of plasma light which responds to both touch and sound. "Item Width: 2.75"" Package Dimensions: 5"" L x 5"" W x 2"" H" On/Off sound responsive modes. Requires 2 AA batteries.