Price range
€178
S SECRETTOP Smart Ring Fitness Tracker
This smart ring provides health and fitness tracking in a discreet, comfortable form factor. It monitors heart rate, blood oxygen, and sleep stages, and supports 12 sport modes. The ring is IP68 waterproof, offers hands-free photography with a double shake, and includes family wellness sharing. Battery lasts 3-5 days typical use, with a portable charging case. Available in 8 sizes, it's compatible with Android and iOS. No subscription required.
- 4 offers
- Heart rate & SpO2 monitoring
- Size: 2 variants
Customer rating
28 ratings
Available offers (4)
Choose an offer, then open its detail page for seller-specific information.
Black Size 14
Retailer
Available to order
- Tracks heart rate and SpO2
- Tracks sleep stages
- Supports 12 sport modes
Multiple sizes available
Retailer
Available to order
- Tracks heart rate, blood oxygen, steps, distance, calories
- Sleep tracking with deep, light, REM, awake stages
- 12 sport modes including outdoor/indoor running, cycling, swimming
Offer comparison
Compare prices, availability, and key variant differences in one table.
| Feature | Black US Size 11 | Black Size 13 | Black Size 14 | Multiple sizes available |
|---|---|---|---|---|
| Price | €178.36 | €178.36 | €178.36 | €178.36 |
| Updated | Aug 27, 2026 | Aug 27, 2026 | Aug 4, 2026 | Aug 4, 2026 |
| Availability | Available to order | Available to order | Available to order | Available to order |
| Size | Black 11 (US 11) | 13 | — | — |
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BENIO Gen4 Sliver
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| Brand | S SECRETTOP | Uni-Green | Kuinha | Osawalla | FKGZJF | BENIO |
| Model | 11# | 10# | Gen4 | |||
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| Price | €178.36 | €18.66 | €15.15 | €35.67 | €30.39 | €41.02 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 20, 2026 | May 27, 2026 | Mar 21, 2026 | Jun 24, 2026 | May 29, 2026 | Apr 27, 2026 |
| Size | Black 11 (US 11) | 7-13 | 9 | 9 | ||
| Weight | Ultra-thin and lightweight | Ultra-lightweight | 0.13 oz (3.6 g) | Lightweight | ||
| Material | Stainless steel alloy exterior, epoxy resin inner ring | High-quality materials, Fully enclosed structure | Stainless steel | |||
| Battery Life | 3-5 days typical use, 7-10 days standby | Fast charging, long battery life | 7 days | 5-7 days (ring), 30 days (with charging case) | 3-5 days, 60 days with charging case | |
| Compatibility | Android 5.1+, iOS 8.0+ | iPhone, Android | Android 6.0 or above, iOS 11.0 or higher | iOS 8.0+, Android 5.1+, HarmonyOS | Android 4.4+, iOS 8.4+ | |
| Water Resistance | IP68 | IP68 | Yes | |||
| Sensors | Heart rate, Blood oxygen, Sleep, Activity, Stress, HRV, Skin temperature | Heart rate, Blood oxygen (SpO2), HRV (Stress) | 4.0 sensors | |||
When this device makes sense
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