Like many things there can be different levels and experiences depending on the person.
In my case it tends to be tinnitus, vertigo, sensitivity to light, auras when staring and gold rings (when a cartoon gets hypnotized they sometimes get rings instead of swirls, mine are gold and go from around the iris expanding as they go out) when transitioning between different light levels (usually full sun to dim indoor)
There are some other things that I occasionally experience that are known symptoms but no physician said they were linked so I wont mention those.
No headache
Same here.. I get vertigo, have bilateral hearing loss and bilateral tinnitus. Never had a headache but get the auras or halos as I see them that last about 20 minutes. The vertigo is a couple times a week but thankfully only last a few seconds not minutes or hours. Went through a ton of test and was told at least some episodes are BPPV. Menieres is basically a diagnosis of what it isn’t but has vertigo, hearing loss and tinnitus.