WHOOP One – 12-Month Membership – 5.0 Health and Fitness Wearable – 24/7 Activity Tracker with VO2 Max, Sleep Tracking, Personalized Coaching, Menstrual Cycle Insights – 14+ Days Battery Life

EVERYTHING YOU NEED IS INCLUDED: Your WHOOP purchase includes a 12-month WHOOP One membership, a WHOOP 5.0 device, a CoreKnit band, and a corded Basic Charger. CONTINUOUS MONITORING: WHOOP monitors your most important metrics with lab-level accuracy, including heart rate, heart rate variability, sleep, menstrual cycle, and VO2 max—providing 24/7 insights to optimize fitness, recovery, and overall health.

Key features :

• Screen-less, wrist-worn tracker
• Battery life: 14+ days per charge 
• Water resistance: IP68, submersible up to 10 meters depth
• Dimensions: 34.7 mm × 24 mm × 10.6 mm 
• Weight: 26.5 grams 

Health & Fitness Features

• Tracks Sleep (all stages: REM, Light, Deep etc.)
• Measures Strain (how hard you’re pushing your body)
• Tracks Recovery metrics (based on HRV, sleep, etc.)
• Heart Rate Variability (HRV) & Resting Heart Rate
• VO₂ Max & Heart Rate Zones
• Women’s Hormonal Insights (menstrual cycle tracking, etc.)

Advanced / Premium Features (depending on membership tier)

• Blood pressure insights (in beta)
• ECG & Heart-Screener (for detecting e.g. atrial fibrillation)
• Healthspan / “Whoop Age” (physiological aging metric)
• Stress Monitor & Health Monitor (alerts when vitals out of range)

Other Features & Compatibility

• Measures Steps, Calories burned, etc.
• Connectivity: Bluetooth to pair with smartphone apps
• Compatible with both iOS & Android
• Comes with membership required (subscription model) with tiers (“One”, “Peak”, “Life”) that unlock different features and, in some cases, different hardware (MG = medical grade)