I use the cool mouse with the K350 keyboard Logitech Wave on a Windows 7/64 Bit computer and am extremely satisfied. I have now bought a second time, as it has me already liked on the other notebook mouse. The mouse runs easily, fits comfortably in your hand and above all it has a broad reach, so I can handle from the sofa quite comfortable with keyboard and mouse. The mouse runs accuratly on the bedspread, which is important in my case, after an operation. The power consumption is very low considering the mice that I had previously. You can also easily with the existing stuck in USB port USB Nano Receiver connect, the problems also comes with my keyboard cope. Simply cool technology because of the ergonomics and the rubberized grip surfaces. I am fully satisfied and would highly recommend the mouse. The on / off Sschalter also helps more to save electricity.