the fairly solid noise cancellation is rendered insignificant by the WF-SP700N's poor audio performance.
These are a great option for athletes and commuters alike. They're unobtrusive, portable, well-designed, and isolate you from the world when you want it.
-Sound Guys(Oct 2018)
Sony’s WF-SP700N are a middling pair of true wireless headphones. They’re lacking in clarity and in noise-cancellation prowess, but at least they’re comfortably to wear for extended periods and don’t fall out easily.