Samsung`s Good Lock has an easy fix for this common Bluetooth audio problem
(Android Central)

Good Lock continues to make our lives better. What you need to know SoundAssistant is a Good Lock app that now allows users to fix their Bluetooth audio. The module utilizes a metronome slider to help sync audio with video and reduce lag. The update should be rolling out to users on One UI 3.0, with extra features available for devices on One UI 3.1. Bluetooth has improved a lot over the years, but that doesn`t mean the standard is perfect, and some old problems still seem to creep up every once in a while, even for some of the best wireless earbuds. One problem that Bluetooth still faces, perhaps now to a lesser degree, is the lag between audio and video that can make the viewing experience fairly bothersome. Fortunately, as Samsung continues updating its Good Lock apps for One UI 3.0, one new feature is giving Galaxy owners a way to fix this annoying lag. A user on Reddit noted one of the new features that have been added to the SoundAssistant app dubbed `Bluetooth Metronom...