Thank you for viewing. This is a high-precision RGB gaming mouse from HYPER X, equipped with Omron switches. - Model Name: Pulsefire Surge RGB - Switches: Omron - DPI Settings: Optical DPI adjustment - RGB Effects: Dynamic RGB effects The retail price was around 8000 yen, and the usage period was about 3 months. Please refrain from purchasing if you are sensitive to used items. I am also selling a keyboard. If you purchase them together, I will give you a 1000 yen discount. Thank you.