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Description
xKey features of the Whoop Band 4.0 :
Advanced health & fitness tracking
Tracks heart rate, HRV, respiratory rate, skin temperature, and blood oxygen (SpO₂). It provides continuous 24/7 biometric monitoring using optical sensors.
Strain, recovery & sleep system
Focuses on three core metrics: strain (physical exertion), recovery (readiness to perform), and sleep (quality and duration with personalized recommendations).
Sleep coaching & smart alarm
Offers personalized sleep guidance and a silent vibrating alarm that wakes you at an optimal point in your sleep cycle.
App-based insights (no screen)
The device has no display. All data is shown in the mobile app, including readiness scores, workout analysis, long-term trends, and health metrics.
Battery & charging
Lasts about 5 days on a charge and uses a clip-on battery pack that allows charging while wearing it. It is also waterproof for daily and workout use.
Automatic workout detection
Automatically identifies workouts like running, cycling, and HIIT. Tracks heart rate zones and calories burned, with the option to edit activities in the app.
Minimalist design
Small, lightweight, and screenless. Can be worn on the wrist, bicep, or integrated into clothing.
Personalized coaching
Provides daily recommendations for training intensity, recovery, and sleep to optimize performance and prevent overtraining.
Subscription model
Requires an ongoing membership to access data and insights, making it more suited for serious fitness tracking.
Summary
Whoop 4.0 is designed for deep recovery and performance tracking rather than basic smartwatch functions like notifications or step counting.
✓ Fast delivery: 1-24hrs only ✓ Pay on Delivery Payment via CASH/CARD/M-PESA/EQUITEL/PESA-LINK
Shipping & Return
xReturns Policy
We accept returns for products within 3 days of delivery with notification to the office, however we shall not accept returns beyond that set period . This are the accepted reason for returns.
1. Size is correct but doesn’t fit well how you expected – All products except mobile phones
2. Items stopped working - Warranty products
3. Product received broken -All products
4. Product with missing parts -All products
5. Product received used -All products
6. Wrong product model, size , colour – All products
N/B we shall accept products that are in good condition as they were with everything it comes with.
Products like memory cards , glass protector, charger, no warranty items earphones are not returnable.
Refund
There is no refund for the amount used to purchase any product or item
Exchange
We accept exchange for televisions only with conditions listed above. In case of others exchange will be processed once we receive the product in question and official email of complain send by the client. Evaluation will be done in 7 days and when found faulty the exchange will be processed in 14-30 days upon receiving the item.
More information on How to return
1.Call /whatsapp or email (sales.kantronics@gmail.com) us then deposit the product on nearest courier services within your area or drop it at our store.
2.Timeline for return pickup depends on your location.
3. Warranty policy Warranty does not cover damage inflicted by power outages, cockroaches, water, backlight, broken screen or any other problems caused by .
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