Edifier asserts that its NeoBuds Pro are a world first, in that they are TWS earbuds with active noise cancellation (ANC) and an official Hi-Res certification for sound quality and immersion. The new accessories also have an exceptionally broad frequency range and have IP54 ingress protection.
https://www.notebookcheck.net/Edifier-launches-its-first-gen-Hi-Res-certified-TWS-earbuds-through-Indiegogo.551068.0.html
Absolute nonsense. We cannot even measure accurately over 10,000Hz.
"Hi-Res" stickers are meaningless to audiophiles.