WEBA wireless type that can be used without worrying about cables. In the 2.4GHz digital band, which is resistant to radio interference, stable data communication is possible over a wide range with a radius of 10m. Since it is a 14.5 x 18 mm ultra-compact receiver, it has a protrusion of only 8 mm when attached to a laptop computer, and it does not get in the โฆ