Communication with technical support did not lead to anything, they simply unsubscribed that these were just temporary failures, reboot, etc. When typing, the text is either printed all at once with a long delay, or not printed at all, one letter can also be typed in a huge amount by itself. The keys are often confused when typing, you press the English Z, you type Y, or even when typing, instead of letters, some incomprehensible characters are printed, such as Greek letters Beta or Scandinavian O with dots, etc. I bought this keyboard and a separate Logitech M310 mouse for it. It was this brand that the devices had plowed without complaints for 12 years, but here the company simply let it down. Both devices interfere with each other. The mouse also jams, then the cursor twitches sharply, then slows down, then completely disappears. More or less helped to solve the problem by placing two USB extension cables, glued them under the table and spread both USB receivers in different directions of the table, but occasionally crashes still appear. I use Windows 10. I tested it, there are no problems, apparently a marriage that is unrealistic to prove, everything is simply attributed to the need to reboot and so on. And most importantly, nowhere in the specifications is there a warning that both devices should be placed as far apart as possible, technical support already says this. One simple extension cable cost 65, then I will change it to USB 3.0. In general, I am disappointed with the company, I hope they did not make all the products with such mistakes. I would not want to get these problems again for almost 2 thousand.
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