Introducing the new Microsoft Classic Intellimouse: Inspired by the Microsoft Intellimouse 3.0, the new Microsoft Classic Intellimouse has made modern improvements to a fan favourite. The features that fans loved about the original are still here customisable* buttons, the classic ergonomic look and feel, and the wired USB connection. Upgrades made possible by today\'s technology can help you find your breakthrough: tracking is more precise, buttons feel more reliable, and the tail light is a distinctive, modern white.The Features of Microsoft Classic Intellimouse at a Glance:USB 2.0 full speed compatible and report rate of 1000Hz5 buttons, including left and right click and scroll wheel buttonEnjoy 3 customisable* buttons for streamlining playModern update of a fan favouriteMicrosoft BlueTrack enables tracking on glassCompatibility with Windows 10 / 8.1 / 8 / 7Customization of buttons available on Windows 10 / 8.1 / 8 / 7The return of a classicInspired by the Microsoft Intellimouse 3.0, the new Microsoft Classic Intellimouse has exceptional tracking and the firm scroll wheel that fans loved about the original. Tracking is now even more precise with a DPI range up to 3200.Work exactly the way you want with the new Microsoft Classic Intellimouse. Quickly and efficiently complete your most common tasks with three customizable* buttons. Plug in the fast, wired USB connector and immediately get into your flow without waiting for Bluetooth to pair or searching for a dongle.Ultimate comfortThe ergonomic design of the new Microsoft Classic Intellimouse is comfortable for hours of use. Fluidly handle every manoeuvre for your most detailed projects with carefully calculated weight, stability, and control.Packed with modern upgradesThe new Microsoft Classic Intellimouse improves on a fan favourite with upgrades made possible by today\'s technology. Tracking is now more precise. Buttons feel more responsive than before. The red tail light that made the Microsoft Intellimouse 3.0 so distinctive is now a clean, modern white.Important InfoButton customisation is not supported on Windows 10 S. Microsoft Classic Intellimouse Specifications:BrandMicrosoftModelClassic IntellimouseInterfaceUSB 2.0Polling Rate1000Hz / 1msSensorMicrosoft BlueTrackDPI SettingsMaximum 6,400 DPI# of Buttons5 buttonsVertical scroll wheel3 customisable buttonsDimensions5.2\" x 2.72\" x 1.68\" 132mm x 69mm x 43mmWeight4.55oz 129gWarranty1 year limited hardware warranty