A:AnswerHello TomH! If you're talking about the MX Keys Keyboard Receiver, which is a Unifying Receiver (with the orange star on it), yes it'll work with the same receiver. What you'll need to do is download the free Unifying Software: https://support.logi.com/hc/en-us/articles/360025297913-Logitech-Unifying-Software, and then do the pairing of your ERGO M575 with the MX Keys Unifying Receiver. You can pair up to 6 Unifying compatible peripherals onto 1 single Unifying Receiver.
A:AnswerIm lefted handed myself and i prefer it thecthe right hand. Never seen one just for a lefty ! Except for having the tracker ball in the middle. And yes you can assign your buttons so i guess it could be just . Not the model.
A:AnswerIt sounds like you have a faulty model. I put energizer batteries in it five months ago and never turn mine off, and have still not needed to replace the battery. Theoretically the battery issue could possibly be the quality of the batteries, but the connection issue is something else entirely.
A:AnswerThe fact that Logitech is avoiding answering this question and doesn't mention anything about the switches in any of the literature is a pretty good indication it's the same designed to fail switches as before.
