ship from Japan A simple wireless mouse that is symmetrical and easy to use. It fits well in the hand and is ideal for long-term operation. Also, because it is a symmetrical mouse, you can use it with your right or left hand. Equipped with a blue LED that is more sensitive than the red optical type, smooth operation is possible without a mouse pad even on a glossy desk surface. * If you use it on a material that reflects light such as a mirror or a transparent material such as glass, the cursor may not move smoothly. Also, tracking ability may decrease on regular patterns. A small receiver (15 x 19 mm) that can be carried and stored while plugged into a laptop computer. The protrusion when actually attached to a laptop computer is only 8 mm. It is a wireless type that can be used without worrying about cables.