SARUNN ER Silver, Size 7 Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
Available offers (2)
Price history by offer
Volatility: HighFeatures
- Sleep monitoring with deep and light sleep tracking
- Heart rate and blood oxygen monitoring 24/7
- Step counting and exercise tracking for various activities
- IP68 waterproof up to 262 feet depth
- No subscription fees for lifetime app access
- Long battery life up to 5 days on single charge
General specs
- Brand: SARUNN ER
- Seller: Retailer
- ID: B0FN6TH3CP
- Size: 7
- Material: Titanium Alloy
- Battery Life: 5–7 d
- Connectivity: Bluetooth
- Display Type: OLED
- Charging Method: Magnetic
- OS Compatibility: Android, iOS
- Water Resistance: IP68
- First listed by seller: January 12, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
United States
For the busy professional or active parent who wants to track health without a bulky device, the SARUNN ER Smart Ring offers discreet, all-day monitoring. Think of it as your personal health assistant, not just a fitness tracker—it slips onto your finger so seamlessly you might forget it's there, yet it quietly logs every heartbeat and step.
Wear it through workouts, sleep, and daily routines with IP68 waterproofing for peace of mind. The app delivers clear insights without subscription fees, letting you adjust habits based on real data. You'll appreciate how the ring picks up subtle changes in heart rate during stress, helping you stay proactive about wellness.
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| Brand | SARUNN ER | REWSX | KppeX | ZBNMY | ZBNMY | DSHKISK |
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| Price | €14.12 | €50.78 | €124.77 | €44.54 | €35.64 | €29.58 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 21, 2026 | Mar 30, 2026 | Mar 21, 2026 | May 8, 2026 | May 12, 2026 | Jun 19, 2026 |
| Size | 7 | 14 | 11 | 8 | 10 | 8 |
| Material | Titanium Alloy | Titanium Alloy | Stainless Steel | Metal | Titanium Alloy | Metal |
| Battery Life | 5–7 d | 3–5 d | 3–5 d | 7–10 d | 7–10 d | 7–10 d |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Display Type | OLED | None | None | None | ||
| Charging Method | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
| OS Compatibility | Android, iOS | Android 4.4+, iOS 8.4+ | Android 4.4+, iOS 8.4+ | Android, iOS | iOS, Android | iOS, Android |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
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