Didn't know that, thanks. Then speakers are actually a pretty big data source. I bet most people don't assume their speakers can be listening. I wonder if you can get internet connection over bluetooth aux or what'd be the best way to get someone to let you send data home on a speaker.
i did some cursory digging, but i don't really want to read the A2DP or AVRCP specifications to see how much data is allowed in the non-audio payload. Besides, PAN exists, but i imagine you have to do something on your phone to allow it.
Most of these expensive things also have wifi, though, don't they?
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