Review on Enhanced Wireless Keyboard and Mouse Combo - Logitech MK540 by Hongseok Bak ᠌

Bought the set a little over a year ago. Used with a laptop and usb-c docking station. Everything worked perfectly after purchase. After some time of use, the keyboard began to periodically slow down, skip letters, and type with a delay. At first I solved the problem by rebooting the laptop, juggling the receiver, changing the usb ports. Some manipulations helped, but not for long. I read that some users solved the problem by connecting the receiver via a usb extension cable. I also bought an extension cord and everything seems to be fine. A few months later, the rigmarole began already with an extension cord. The keyboard started typing again with a delay. Moreover, the delay could reach several seconds. Also, restarting the laptop, changing ports, reinstalling drivers, changing batteries and other dances with tambourines stopped helping. As a result, the keyboard died completely, I had to put it on the shelf. A month after the death of the keyboard, the mouse began to slow down. Well, at the moment, when moving the mouse, the cursor twitches in one place, when you press the buttons, there is a delay. The driver from the device manufacturer does not see. I don't know how to revive it. This is the second Logitech wireless product that stopped working after a year. I started using Logitech devices since the time of ball mice. And I always considered the company's products as the standard of reliability. Disappointed.