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On iPadOS 13.4, the Bluetooth mouse functionality is substantially improved. I have an Logitech MX anywhere that I purchased to test this, and I notice a warning that it may affect WiFi or Bluetooth.

Using “MX Anywhere 2S” may affect Wi-Fi and Bluetooth connectivity

Bluetooth warning - Using MX Anywhere 2S may affect Wi-Fi and Bluetooth connectivity

I know that any Bluetooth device uses 2.4 GHz unmanaged spectrum, so interference is always possible, but I wonder if there’s something specific at issue here or if Apple has documented which mouse devices will not get this warning.

Is there an official explanation why this alert is present or a list of supported protocols, devices, driver upgrades to have the best WiFi and Bluetooth experience on iPads with Bluetooth mice connected?

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  • Interesting. I connected my MX Master 3 and did not see that message
    – Allan
    Commented Mar 29, 2020 at 22:39
  • Thanks @Allan and FWIW the mouse is amazing, three pairing identities with a physical button to switch, solid wheel to scroll, solid all around, tracks amazingly on all surfaces. I can’t tell any downside so far despite the “warning” it “may” affect things.
    – bmike ♦
    Commented Mar 29, 2020 at 22:42
  • I still have my 2S (the thumb button broke) so I'll fix it and see if I can get the message to appear - at least it'll confirm it's something specific to that mouse (as Apple sees it anyway). I loved my 2S and the only reason I went to the 3 is because the thumb button got stuck in the down position.
    – Allan
    Commented Mar 29, 2020 at 23:46
  • Does this message still pop up when you disconnect your Apple Pencil?
    – Thunder_Ruler
    Commented Apr 5, 2020 at 18:30

1 Answer 1

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Some mice, like the MX Anywhere, support both Bluetooth and wireless radio connectivity (this is the connection method where you usually have to use a small USB receiver). This wireless radio uses 2.4 GHz spectrum as well and may interfere with BT and/or 2.4 GHz Wi-Fi.

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  • I didn't even think of that. So if I connect the USB dongle to power (which I do not, it's probably still in the box) that may / will cause the interference? I'll open support case with Apple and with Logitech to confirm I'm set, but this sounds very likely to be the reason.
    – bmike ♦
    Commented Mar 29, 2020 at 17:54
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    I have a keyboard case which only supports Bluetooth (no alternative wireless connection). Yet iPadOS 13.4 shows this message as well.
    – adib
    Commented Apr 2, 2020 at 1:01

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