[elliotec]

Renaming a Bluetooth device like a speaker permanently for everyone (as opposed to a nickname you give it in your phone or whatever) is difficult if possible at all and usually requires firmware or hardware changes, unless the option is given by the device or its companion app (which is very rare).

So your assumption seems the most likely. I highly doubt a 16 year old kid is firmware hacking a cheap speaker just to rename it for a "joke"

[layer8]

It’s commonplace for Bluetooth speakers to allow changing their Wi-Fi name (SSID) using the related app. Everyone being able to identify each other’s Bluetooth speakers is exactly one purpose of that.

[K0balt]

Bluetooth speakers don’t typically have WiFi or SSIDs. The Bluetooth advertising name is changeable on some newer higher end devices, but the vast majority of cheap speakers do not implement this from a practical standpoint. Changing the name on your device only changes the alias that you see, at least on most devices, but it might be possible to hook that on some OSs ?

[layer8]

An, sorry, yes, I confused with Wi-Fi for some reason. Nevertheless, they allow changing the name they broadcast, in the sense that other devices that see it for the first time see the changed name.

[elliotec]

Again, very rarely. Highly unlikely this particular one does.

[whycome]

It seems like some newer speakers allow it. I really wanna know what speaker he actually had.