bluetooth speaker audio delay?

[PepperButt]

so my parents has media computer that is plugged to a tv

the tv is 51" so they watched tv from a pretty far distance from the tv

and since they are far away from the tv they tend to watch shows with very high volume (like i'm in my closed door upstairs room with headphones on can hear almost every single dialogue, jesus)

so i planned to buy a wireless bluetooth speaker (bose soundlink mini is my current choice so far) so you can basically put the speaker next to the sofa so they don't have to blast the volume anymore from the tv

 

but i have a wireless earbud (jbl everest 100) and tried to watch youtube with it and i notice a delay

i heard that some speakers have drivers that syncs up the video and audio but i haven't got a clear answer on which bluetooth speakers has this

 

also any suggestions on what kind of speaker i should buy? looking for something under $150

[WhaleShark]

You'd better try it first before buying a new one.

https://chrome.google.com/webstore/detail/youtube-audio-sync-tool/nhhggkimondhokphkoefldocnnjlimni?hl=en

At least it solved audio delay problem with my bluetooth speaker (srs-hg1) on YouTube by setting audio timing +0.8s.