Check the listing for details. USB 2.0 Optical Wired Scroll Wheel Mouse PC Laptop Notebook Desktop Black Mice. Color: Black, Condition: New. Listed at 4.99 USD. USB 2.0 Optical Wired Scroll Wheel Mouse For PC Laptop Notebook Desktop Black Mice✅ DURABLE & ERGONOMIC SHAPE - 5,000,000 times clicks using experience brings long life span. Symmetrical Design makes it convenient for both left and right hands, streamline shell is very comfortable to use it all day. ✅ High Definition - 800 DPI tracking engine. Enjoy responsive and smooth cursor control with the 800 DPI high-definition optical tracking engine. ✅ Anti-Slip And Silent Scroll - The grille anti-slip pattern on the scroll wheel ensures fast, easy and accurate scrolling. Almost little noise when you slowly scroll it. Specifications:Color：BlackMaterial: ABS Dimensions: 120*64*38MM (L x H x W) Technology: Optical Laser DPI: 800 Interface: USB Speed: 28 Inches / Second Frame Rate: 3000 Frames / Second Compatibility: Windows/Mac Cable Length: 3.9 FT Package includes:1 x USB 2.0 Optical Wired Scroll Wheel Mouse For PC Laptop Notebook Desktop Black Mice