Description
Physical and Design Specs
- Dimensions: 34.7 mm x 24 mm x 10.6 mm
- Weight: ~26.5 to 28 grams
- Display: Screenless design with subtle LED indicators
- Water Resistance: IP68 certified, submersible up to 10 meters for 2 hours
- Included in Peak Tier: WHOOP 5.0 hardware, Wireless PowerPack, and a premium SuperKnit band
Battery and Power
- Battery Life: Up to 14–16.5 days on a single charge
- Charge Time: Approximately 120 minutes
- Charging Style: Slip-on wireless waterproof power pack (enables charging while worn)
Sensors and Tracking
- Biometric Sensors: Continuous PPG heart rate monitoring (sampling data 26 times per second), medical-grade ECG sensor for irregular rhythm/AFib detection, SpO2 (blood oxygen), skin temperature, and accelerometer
- Core Metrics: Strain, daily recovery score, heart rate variability (HRV), sleep staging/coaching, and stress tracking
- Advanced Insights: Healthspan analytics tracking biological vs. chronological age, plus automatic detection across 145+ activities




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