Onn Optical MouseThe Onn Optical Mouse allows you to use it in either hand. With 3 buttons and a scroll wheel that make it very easy to select and perform other functions, this USB optical mouse is perfect for home and business use as well. It is ergonomically designed and is thus comfortable to use and puts no stress on your hands even after prolonged hours of usage. This black computer mouse connects has a USB plug through which you can easily connect it to your computer. With this versatile design, the Onn mouse can even be put to use with a laptop as you can just plug and play to make your computing experience faster and easier. Onn Black Optical USB Mouse: Use in either handConnects via USB3-buttonScroll wheelEasy-to-use USB cableOptical resolution