The functionality of the keyboard and mouse is derived from a single flash disk. The lags make it impossible to either play or work, so neither option is available. At first, I suspected that the issue was in the gap that separated the keyboard and the flash drive; however, when I brought the two components closer together (within 20 to 30 centimeters), the issue persisted. I have tried a number of different USB ports for the flash drive, but it has not made any difference. This has to be one of the worst purchases I've ever made, especially considering I bought it from Logitech.
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