Logitech Wireless Mouse M315, Blue From surfing the Web to navigating your Facebook with precision clicking, pointing and dragging, everything you do on your laptop is just easier thanks to Logitech Advanced Optical Tracking Advanced 2.4 GHz wireless technology gives you the reliability of a cord with wireless convenience and freedom-fast data transmission and virtually no delays or dropouts You can do everything you do on your computer in more comfort and ease thanks to this compact mouse's hand-friendly, contoured design with soft rubber grips and a smooth scroll wheel The Plug-and-Forget Nano-receiver is so small it stays in your USB port so you won't lose it. Plus, there's no software to install