Amazon K690 Manual page 13

NOTICE
Update
Please visit https://www.amazon.com/dp/B073VS6WNZ to
download the latest version of the software for your gaming
keyboard
The gaming keyboard performs the best at
1000Hz polling rate. Some USB hubs might
decrease the keyboard polling frequency, so
if you experience slow performance when
connected to a USB hub, plug your Keyboard
directly to the USB port in your computer.
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