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I'm having problems with my Bluetooth on my MacBook Pro Retina early 2013 OS X 10.9.3

It is constantly losing connection for a few seconds with my Magic Mouse and my Bluetooth speaker (Bose Soundlink Mini) occasionally even resetting the connection so I have to reconnect both.

I started having this problem just recently but it's not the speaker's fault (I've tried others) or the mouse's fault—I've tried disconnecting it.

I have also tried restarting the computer, freeing some memory and so on...

Any ideas?

  • and there are no solid walls in between, and any other BT devices that you know of trying to connect – Ruskes Jun 1 '14 at 17:35
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    Hy buddy, I am with the same problem. I am 99% sure that it's the bluetooth capacity that does it. In my case, when I use only the bluetooth headphone, it's all fine, but when I connect the keyboard and mouse (bluetooth), than the sound fails/gaps/lag. A detail is that, if I change my bluetooth headphone to headset mode (which reduces the quality of sound) than I can hear the sound with no lags or gaps, but audio quality is the worst. Also, when the headset is connected, I can feel the mouse lag, a little, but can feel it. Please, if you can find some solution, share with us. Thank you. – user88482 Aug 22 '14 at 15:03
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Check the battery level in your keyboard or mouse. I've found this happens consistently when the peripheral battery is running low and the device seems to start spamming the Bluetooth connection with "help I'm running out of juice" requests. Swapping out your batteries for full ones will reliably fix the issue.

  • Thanks for your suggestion but this did not solve my issue. – Michael Irey Mar 29 '17 at 23:17
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    Thanks, this fixed the issue for me on Mojave / iMac 2011 27". I replaced my Magic Trackpad batteries and my Sony BT headphones works correctly now. – passatgt Feb 16 at 22:16
  • Another thing I have found with my Bose Wonderboom speaker is it's quite happy to connect to multiple devices so will connect to both my iPhone and Mac when I start it up, which then results in the speaker glitching when playing music. Simply disconnect it from the device(s) you are not using to play music and it then works fine. – Dave Sag Feb 17 at 3:33
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I don't know that there's anything you can do about this—speakers just use up a lot of Bluetooth's available bandwidth. While I've never had trouble with JUST a speaker and mouse, I've found that if I connect a Bluetooth mouse, keyboard, and speaker at once, the speaker becomes horribly stuttery until either the mouse or keyboard is disconnected.

You say you've already tried different speakers; I might try different mice as well. You could try a USB Bluetooth adapter, but there's no guarantee that it will be any better. Also, if you have any additional Bluetooth devices you didn't tell us about, definitely disconnect those as well.

(At one point, I set up Eventscripts to automatically disconnect my keyboard whenever a Bluetooth speaker was connected. It worked, but was somewhat fragile, and I don't recommend it.)

You could also try lowering macOS's Bluetooth audio quality in the terminal so it uses less bandwidth. I have never been able to get acceptable results this way, but it could be worth a try. https://lifehacker.com/fix-your-bluetooth-audio-in-yosemite-with-this-terminal-1670380974

You're not going to like this solution, but I would recommend replacing either the mouse or speaker with a non-Bluetooth alternative, such as a wireless mouse with a USB dongle or a wifi speaker that works over airplay.

Sorry this isn't the answer you wanted.

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I had a related problem which was driving me nuts, & it took forever to track down. Seems wifi was stopping my Apple Magic Mouse from working - turns out the macBook was sharing my connection on channel 11, & as soon as I stopped wifi sharing the mouse worked great. I've got it sharing on channel 48 (5GHz) now, & so far everything works perfectly.

As bluetooth & wifi can share the same frequency band, it makes sense to use the 5GHz band for wifi, gives your bluetooth stuff more space.

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