9to5Mac posted a review on the Anker Liberty 4 Earbuds
A quote from the article:
At the end of last month, Anker revealed its latest pair of flagship earbuds with the new Soundcore Liberty 4. Arriving as some of the brand’s most capable true wireless buds to date, the flagship experience comes centered around expected inclusions like active noise cancellation but also more novel additions like Spatial Audio and a built-in heart rate sensor. As for how all of that stacks up, we’re taking a hands-on look at what to expect over the past few weeks of daily-driving.Anker Liberty 4 Earbuds Review