This is a Buffalo wired laser mouse. Operation has been confirmed. It has been stored for a long period and kept by a non-professional. Please purchase if you understand this. ◆Manufacturer◆ BUFFALO ◆Series◆ BSMLU108 ◆Color◆ Red ◆Compatible Devices◆ Computers, tablets, and game consoles with USB Type-A terminals ◆Interface◆ USB Type-A (USB 1.1) ◆Cable Length◆ Approximately 1.5m ◆Sensor Type◆ Laser ◆Resolution DPI◆ 1600 DPI ◆Number of Buttons◆ 3 ◆Wheel Included◆ Yes ◆Tilt Function◆ No ◆Silent Buttons◆ Left and right buttons, wheel button ◆External Dimensions◆ (Width x Height x Depth) Approximately 56 x 37 x 100mm (excluding cable) ◆Weight◆ Approximately 70g ◆Operating Environment◆ Temperature 5°C to 40°C, Humidity 10% to 85% (no condensation) ◆Quantity◆ 1 ◆Included Items◆ 1 mouse Please feel free to ask any questions, no matter how small or unclear they may seem.