WHOOP 4.0 Wearable Health, Fitness & Activity Tracker: Continuous monitoring of physiological data
Let's be real—most fitness trackers just count steps and call it a day. But the WHOOP 4.0? It's like having a health coach strapped to your wrist. This little powerhouse keeps tabs on everything from your heart rate to how well you're sleeping (or not), turning all that data into tips you can actually use to crush your goals.
Ever wonder why some days you feel like a superhero and others... not so much? The WHOOP Journal digs into your daily habits to figure out what's working (hello, early bedtime) and what's not (looking at you, midnight snack). It's all about making small tweaks for big wins.
And about that battery life—no need to take it off. Just slap on the waterproof charger and keep moving. Because let's face it, life doesn't pause for a recharge.
But here's the kicker: you're not in this alone. There's a whole crew of WHOOP users, from weekend warriors to pro athletes, all sharing their ups and downs. Plus, you get a year's membership to dive deep into your data. Because knowing is half the battle, right?
In the box? Just the essentials: the device itself, a sleek Onyx SuperKnit band, that handy charger, and access to all the insights you'll need to level up. No fluff, just the good stuff.
General specs
- Brand: WHOOP
- Model: 4.0
- Seller: Amazon
- Material: Metal
- Compatible Devices: Smartphones, Tablets, Laptops
- Screen Size: 4 Inches
- Product Dimensions: 1.1"L x 0.4"W x 7.1"H
- Item Weight: 0.31 Pounds
- Battery Life: 5 days
- Sensor Type: Optical
- Battery Description: Lithium-Ion
- Warranty Description: Lifetime warranty
- Included Components: Initial 12-month WHOOP membership, 4.0 hardware, Onyx SuperKnit band, Wearable, water-resistant battery pack
- Sport Type: Exercise & Fitness
If you are interested in more details, you can find full information on the seller's page.
Comparison with similar products
This item | Recommendations | |||||
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![]() Smart Ring Health Tracker with Heart Rate and Blood Oxygen Monitor
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![]() Fitness Tracker Watch with Heart Rate Monitor Health Monitoring
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![]() Smart Ring Health Tracker with Heart Rate and Blood Oxygen Monitor
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Brand | WHOOP | WHOOP | WHOOP | Imzuc | ||
Model | 4.0 | 973-002-000 | 973-003-000 | M1 | M1 | |
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Price | $239.00 | $359.00 | $199.00 | $39.92 | $15.99 | $39.99 |
Seller | Amazon | Amazon | Amazon | Gshopper | Amazon | Gshopper |
Update | May 5, 2025 | May 12, 2025 | May 13, 2025 | July 25, 2024 | May 13, 2025 | July 25, 2024 |