Microsoft Wired Ergonomic Desktop Keyboard & Mouse Combo - Mouse Tracking System: Microsoft BlueTrack technology - X-Y Resolution: 1000ppi - Tracking Speed: 762mm/s - Side Buttons: 2 - Connectivity: USB 2.0 Type-A - Hotkeys: Favourite Keys, Media Keys, Calculator, Snipping, TaskView, SysLock and Search Keys - 12 Months Limited Warranty
