Originally Posted By: andy
And why do I need a Logitech Unifying adapter ? Because Bluetooth still (at least using my 2015 MacBook) sucks.

If I try and use my Logitech MX mouse with Bluetooth it works, but I can always detect the lag. With the Unifying adapter the lag is undetectable.

This 100%. Exact same experience. I hate bluetooth so much. I don't know how it's received so many upgrades and still blows.
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Matt