Review on Renewed Logitech MK540 Advanced Wireless Keyboard with M185 Mouse & USB Receiver - 920-008981: Enhanced Performance at a Great Value by Andrey Tsvetanov ᠌

While at the same time feeling both happy and disappointed. An extremely contentious choice was made regarding the on/off buttons. There was a low-cost kit available that featured a mouse that "fell asleep" and could only be activated by pressing a button. It seemed pointless, but I rapidly became accustomed to the situation.