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Compare smart rings, fitness trackers, and smartwatches by included health features, premium apps, trials, and optional service costs.
REWSX Fitness Ring with Heart Rate, Blood Oxygen, Stress, Sleep, and Step Tracking
For the busy professional who wants to track health without another screen, this smart ring fits seamlessly into your day. It's not just a fitness tracker; it's a discreet health companion that works while you work, sleep, and play.
Wear it to bed, and you'll wake to detailed sleep graphs showing your deep and light cycles—no need to remember to start tracking. The ring monitors heart rate and blood oxygen 24/7, giving you real-time insights in the app without any subscription fees. Its slim design is so comfortable, you might forget it's there until you check your step count after a walk.
With a battery lasting 3-5 days and a portable charging case for 60 days of use, it's ideal for travel. Compatible with iPhone and Android, it offers peace of mind for anyone focused on wellness without the hassle.
Features
- Intelligent sleep monitor with deep and light sleep tracking
- 24/7 health monitoring of heart rate, blood oxygen, and HRV
- Activity tracker with multiple sport modes like running and yoga
- Super battery life up to 3-5 days per charge with portable case
- IP68 waterproof and wide compatibility with iPhone and Android
- No subscription fees for lifetime app access
General specs
- Brand: REWSX
- Seller: Retailer
- ID: B0GPMVP1JR
- Brand: REWSX
- Features: Heart Rate Monitoring, Blood Oxygen Monitoring, Stress Tracking, Sleep Tracking, Step Tracking, Activity Tracking, Multiple Sport Modes, No Subscription Fee, IP68 Waterproof
- Battery Life: 3-5 days
- Product Type: Smart Ring
- Charging Time: 2 hours
- Compatibility: iPhone, Android
- Target Audience: Women, Men
- Ring Size Standard: US
- Extended Time Usage: 60 days
- Included Accessories: Smart Ring, 400 mAh Charging Case, Magnetic USB Charge Cable, Type C Charge Cable, Instruction Manual
- Case Charges Charging: 15 times
- Water Resistance Rating: IP68
- Operating system requirements: Android 4.4 or above, iOS 8.4 or above
- Battery Capacity Charging Case: 400 mAh
- First listed by seller: April 15, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | REWSX | Aoyool | Free Shark | Kuinha | Free Shark | |
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| Price | RUB 4,701.10 | RUB 3,134.33 | RUB 3,918.11 | RUB 1,331.64 | RUB 4,701.10 | RUB 7,837.00 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 11, 2026 | Jun 24, 2026 | Apr 27, 2026 | Mar 21, 2026 | Apr 1, 2026 | May 29, 2026 |
| Battery Life | 3-5 days | 3-5 days | 5 days, 30 days with charging case | 7 days | ||
| Product Type | Smart Ring | Smart Ring, Health Tracker, Fitness Tracker, Sleep Tracker, Activity Tracker | Smart Ring | |||
| Compatibility | iPhone, Android | Android 5.0+, iOS 9.0+ | iOS, Android | Android 6.0 or above, iOS 11.0 or higher | iOS, Android | |
| Size | 8 | 7 | 9 | 8 | 9 | |
| Water Resistance | IP68 | IP68 | IP68 | |||
| Metrics Sleep Tracking | Deep Sleep Duration, Light Sleep Duration, Eye Movement, Wakefulness | Deep Sleep Duration, Light Sleep Duration, Wakeful States | Deep Sleep Duration, Light Sleep Duration, Wakeful States | |||
| Health Monitoring Features | Heart Rate, Blood Oxygen (SPO₂), Sleep Tracking, Activity Monitoring | Sleep Monitoring, Step Counting, Heart Rate Monitoring, Blood Oxygen Monitoring, Exercise Tracking | Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen | |||
Fitness Ring with Heart Rate, Blood Oxygen, Stress, Sleep, and Step Tracking
RUB 4,701.10
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