Chromebooks with limited USB ports need a USB hub. This allows me to connect a keyboard and mouse, and I have plenty of USB ports for various things. I had a USB hub that lost connection over time and the mouse stopped working. I may have to disconnect and reconnect the USB cable a few times to clear the oxidation in the connection and build it back up. I've been using the Sanptent USB hub for a few days now and haven't noticed any of the issues I faced with the previous USB hub. No fuss, no fuss.
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