The world’s smallest wireless mouse with a built-in rechargeable lithium-ion battery. With a chubby round shape and a dent that the user’s thumb fits perfectly, users operate it using a pinch action. In general, a mouse that’s too small is difficult to use, as it’s usually a device you hold in your hand. ELECOM, however, has succeeded in developing the world’s smallest easy-to-use mouse – a mouse that is intended to be pinched instead of held. This mouse is called “baby bean” as it looks like a bean. While this “baby bean” retains general mouse functions, it has a bean-like texture and cuteness.