ship from Japan Optical 3-button wired mouse with USB connection. For those who handle CAD / CAM, many people may have become accustomed to the workability of a 3-button mouse. On the contrary, the number of 3-button mice is decreasing and it is becoming rare. A must-see 3-button mouse for those who do not want to reduce workability. In the unlikely event that there is a problem with the product, please contact us [Snap-shot] from the order history first. We will propose a response that will reduce the burden on the customer as much as possible.