REWSX 7# Smart Health Ring: Heart rate, blood oxygen, and blood pressure monitoring 24/7
For the busy professional who wants to track health without adding another screen to their day, this smart ring fits seamlessly into your routine. It’s designed for someone who needs discreet, all-day monitoring—whether you’re in back-to-back meetings, hitting the gym, or winding down at night. Instead of just another fitness gadget, think of it as a silent wellness partner that works in the background.
The ring automatically tracks your heart rate, blood oxygen, and sleep without any subscription fees. You get real-time data in the app, so you can spot trends and adjust habits. For example, the sleep monitor picks up subtle shifts in your deep sleep cycles, helping you understand how stress or caffeine affects your rest. With a 3-5 day battery and a portable charging case, it stays powered for weeks, making it reliable for travel or hectic schedules. It’s compatible with iPhone and Android, so you can focus on your health, not tech hassles.
Features
- Intelligent sleep tracker with deep and light sleep analysis
- Activity tracker with step counting and multiple sport modes
- No subscription fees for lifetime app access
- IP68 waterproof and up to 3-5 days battery life
- Wide compatibility with iPhone and Android devices
- Heart rate, blood oxygen, and blood pressure monitoring 24/7
General specs
- Brand: REWSX
- Model: 7#
- Seller: Amazon
- ID: B0FX1N7LJM
- Size: 7
- Weight: 100
- Material: Titanium Alloy
- Battery Life: 3–5 d
- Connectivity: Bluetooth
- Charging Time: 2
- Charging Method: Magnetic
- Battery Capacity: 400
- OS Compatibility: Android 5.0+, iOS 8+
- Water Resistance: IP68
- Bluetooth Version: 5.0
- First listed by seller: 2/4/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
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| Brand | REWSX | REWSX | REWSX | FKGZJF | KppeX | SARUNN ER |
| Model | 7# | X1-11# | ||||
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| Price | $56.98 | $56.98 | $59.98 | $59.98 | $139.99 | $49.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 |
| Size | 7 | 14 | 11 | 8 | 11 | 7 |
| Weight | 100 | 4 | 100 | |||
| Material | Titanium Alloy | Titanium Alloy | Metal | Stainless Steel | Titanium Alloy | |
| Battery Life | 3–5 d | 3–5 d | 3–5 d | 3–5 d | 3–5 d | 5–7 d |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Charging Time | 2 | 2 | 2 | 2 | 2 | |
| Charging Method | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
| Battery Capacity | 400 | 400 | 400 | |||
| OS Compatibility | Android 5.0+, iOS 8+ | Android 4.4+, iOS 8.4+ | Android 4.4, iOS 8.4 | Android 4.4, iOS 8.4 | Android 4.4+, iOS 8.4+ | Android, iOS |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |