Whoop became popular as the strap that NBA players and UFC athletes were spotted sneaking them under their sweatbands, but up until now, LeBron James’ tech has had mixed reviews in the crowded fitness tracker market.
Some users loved the detailed recovery data, helping them know when they should skip a workout and when they could really push themselves, others questioned the accuracy of the fitness tracker’s heart rate data. But now the Whoop 4.0 has been released — read our full Whoop 4.0 review here.
