Brand SIIG , Model JK-US0T11-S1 Sensor Technology: Optical, Connectivity Technology: USB 1.1, DPI Resolution: 1200 DPI, Number of buttons: 3-buttons (Left and right button and scroll), Color: Black, Material: Plastic, Interface: USB Type A, Operating temperature: 32 to 113 degrees F, Storage temperature: -14 to 140 degrees F, Relative humidity: less than 85% RH (non-condensing), Certifications/Standards: FCC, CE, RoHS, Country of origin: China, System Requirements Desktop or notebook PC with an available USB port, Windows10 (32-/64-bit) / 8.x (32-/64-bit) / 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit), Package contents 3 Buttons USB Optical Mouse,