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xthexder ,
@xthexder@l.sw0.com avatar

The number of times I’ve been mid video call or watching a video on my headphones and they randomly decided to disconnect from my laptop and connect to another device like my phone absolutely infuriates me.

The whole multiple paired device feature really needs some work…

Lightfire228 ,

It might be your phone getting a notification, and sending that to the BT speaker, which then takes precedent over the laptop

I usually just disable BT on my phone when stuff like that happens (on android, you can change the playback device without disconnecting, and that should also prevent the phone from stealing your headphones)

andrew_bidlaw ,
@andrew_bidlaw@sh.itjust.works avatar

Bluetooth headphones when I want to use them:

Bluetooth headphones when there’s someone calling and I can’t answer because I can’t find them:

dogsoahC ,

Wait, do you just keep your Bluetooth on when you don’t need it? Is that… are people doing that?

Wizard_Pope ,
@Wizard_Pope@lemmy.world avatar

Yeah. Why not?

Dudewitbow ,

it can be a security issue leaving it on. also can drain battery as its occasionally pinging for nearby devices.

Entropywins ,

So is literally any communication standard on your phone…just turn off wifi, nfc, cellular network and Bluetooth then you’ll be safe

Dudewitbow ,

the protocols on how Bluetooth is handled is far different than the ones how wifi is handled, same as NFC and cellular. to equate all their security as “the same” is very dismissive, especially comparing to wifi and cellular which typically arent direct device to device connections.

nfc dodges its problems because its for the most part off until you open an app that uses it, so its already doing what a user should be doing for security reasons.

Entropywins ,

Nah, my sentiment is more like if man can make it man can break it…imei cloning, arp poisoning, relay attack…anything broadcast willy nilly everywhere is as much of a security risk if you are concerned about bluetooth exploits…

dogsoahC ,

Because it drains your battery like you poked a hole in it?

ngwoo ,

Even if you turn it off the radio is still powered on and scanning in the background (wifi too), unless you specifically disable that as well. The battery drain is negligible

dogsoahC ,
  1. I did disable the scanning.
  2. Looked it up. Seems like it’s actually pretty low when not connected.

I never really thought about it because I use Bluetooth about once month at best. Still, leaving it on when I don’t need it seems silly. But maybe it only does when you don’t need it again a few minutes later.

atocci ,

It shouldn’t be draining like that, at least…

Dhs92 ,

Did you get your battery saving advice from 15 years ago?

shalafi ,

For Android, don’t accept the prompt to let the speaker read your contacts and call history. Seems to stop this nonsense on my speakers.

rtxn ,

Exhibit one: Aussie wanker yells at tech.

Ensign_Crab ,

I knew who it was before I opened it.

Darkard ,

Alternative captions

  • Bluetooth when I’m connecting to a speaker
  • Bluetooth staying connected to my car when I’m 3 streets away
henfredemars ,

My dude! I can’t believe this is such a pervasive problem! Pretty much every person that I know who connects their car to their phone runs into this issue especially in the case of couples where both phones are paired and it’s just some kind of headbutting match to see which device randomly wins out, which is guaranteed to be the phone you didn’t want connected. In theory their priority system, but in practice Bluetooth device discovery and the connection process seems rather random.

I wish my car had an option to disable auto connection and a prominently displayed button to explicitly connect to a recent phone upon request.

atocci ,

I wonder if this has anything to do with how the bandwidth is automatically decreased when taking a call vs when you’re just playing audio. Less bandwidth means a slower but more robust connection or something like that?

thanks_shakey_snake ,

Pretty good idea! Yeah, maybe the half duplex codec can connect with a weaker signal.

Or something. I don’t know that much about the protocol.

marcos ,

I don’t think BT devices do frequency hopping. The audio bandwidth is reduced just because the mic signal is added and has to share the connection. There’s no change on the physical connection.

(Now, it would be great if there was some frequency hopping and your phones could reserve a full FM channel instead of messing with digital compression.)

atocci ,

That decreased bandwidth would still help to maintain a digital connection though, wouldn’t it? There’s be a weaker and slower connection as the devices get further apart, so I was thinking less demand on the connection would keep them from dropping it.

I don’t think it’s the same as what you meant exactly, but I looked it up and Bluetooth does hopping between 2.402 and 2.480 GHz.

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