The new AirPods Pro is the most popular earphone in 2019. Despite of its appearance, its strengths of noise reduction, waterproofing, and high sound quality are quite desirable. First impressionThe main improvement of this new product is noise reduction, which is also the most debated point by major digital experts since its release. After putting it on, we entered noise reduction mode, and the world is really quiet. As an in-ear noise reduction earphone, it is really amazing to be abl…