WHOOP 4.0 is the most advanced fitness and health wearable on the market. Unlike smartwatches, WHOOP is engineered specifically for performance — it tracks your heart rate variability (HRV), sleep stages, respiratory rate, blood oxygen, and skin temperature around the clock without a distracting screen.
The WHOOP app gives you a daily Recovery Score and Strain Coach so you know exactly when to push hard and when to rest. Used by Olympic athletes, NFL stars, and millions of fitness enthusiasts worldwide. Membership includes the hardware device free of charge.
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