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Hover to zoom · Click for full-screen1 / 6Whoop
Whoop 4.0 Wearable Fitness Tracker
4.3(3.4K reviews)
$239.00
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Amazon AssociatesCookie window: 1 days
Amazon AssociatesCookie window: 1 daysWhoop 4.0 is the screenless fitness tracker for serious training — strain, recovery, and sleep coaching. Used by pro athletes.
About this product
Whoop 4.0 Wearable Fitness Tracker is the screenless, subscription-based fitness wearable used by pro athletes (Patrick Mahomes, Justin Thomas, LeBron James) and serious athletes who want training insight without distraction. The no-screen design means no notifications interrupting your day — just continuous data collection. Tracks daily strain (how hard you trained), recovery (HRV-based readiness), sleep stages, and personalized recommendations through the Whoop app. The membership-based pricing ($30/month) includes the hardware. The fitness tracker for users who optimize training based on data not vanity metrics.
Key features
- No screen — focus on data not notifications
- Tracks strain, recovery, sleep with subscription
- Membership-based pricing
- Battery lasts 4-5 days
- Used by pro athletes (Patrick Mahomes, Justin Thomas)
Specifications
| Battery | 4-5 days |
|---|---|
| Display | None |
| Use case | Pro-athlete training |
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Frequently asked
Where can I buy the Whoop 4.0 Wearable Fitness Tracker?
The Whoop 4.0 Wearable Fitness Tracker is available on Amazon Associates. Click the "Buy on Amazon Associates" button on this page to go directly to the canonical product listing with our Amazon Associates affiliate tag (nyzastore-20) attached.
How much does the Whoop 4.0 Wearable Fitness Tracker cost?
The Whoop 4.0 Wearable Fitness Tracker was last seen at $239.00 on Amazon Associates. Amazon prices change frequently — click through to see the current live price before you purchase.
Is the Whoop 4.0 Wearable Fitness Tracker authentic / brand new?
Yes — every product on NyzaStore links to a new, authentic listing on Amazon Associates from Whoop or an authorised seller. We don't link to refurbished, used, or grey-market listings unless explicitly labelled.
What's the return policy for the Whoop 4.0 Wearable Fitness Tracker?
Returns are handled by Amazon Associates under their standard 30-day return policy for eligible items. Free returns by mail are available on most Amazon Associates items.
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