The Sony WH-CH700N are good-sounding wireless headphones, decent enough for most use cases. They're an improved redesign of the Sony MDR-ZX770BN with better app support that gives them customization options. They're lightweight, comfortable and easy-to-use, however, their build quality still feels a bit flimsy compared to other headphones in their price range and their noise canceling is sub-par.
If you prioritize a lightweight build and extended battery life first and foremost, then the Sony WH-CH700N makes sense. In fact, when it comes to noise cancelling headphones in this price range, you’ll be hard-pressed to find a better performer. If, though, you want the best noise cancelling on the market, these headphones will leave you yearning for more
-Sound Guys(Jul 2019)
If noise cancelling is a major priority, you might need to consider spending more. It makes a difference when it’s turned on, but it definitely isn’t as effective as some. It’s more a case of noise quietening than cancelling.