Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Uni-Green 11# Smart Ring, Ultra-Thin Design, Real-Time Health & Sleep Tracker
Product details
General specs
- Brand: Uni-Green
- Model: 11#
Starting from €18.67
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| Brand | Uni-Green | GINIXPIONE | WNRTSA | S SECRETTOP | SECRETTOP | Jojovenusmall |
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| Price | €18.67 | €58.90 | €35.69 | €178.49 | €178.49 | €32.12 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 27, 2026 | May 20, 2026 | May 27, 2026 | May 20, 2026 | May 20, 2026 | May 20, 2026 |
| Size | 7-13 | 8# | 6 | Black 11 (US 11) | ||
| Weight | Ultra-lightweight | Not specified | Lightweight | Ultra-thin and lightweight | Ultra-thin and lightweight (exact weight not specified) | 2.5g |
| Material | High-quality materials, Fully enclosed structure | Not specified | Ergonomic ball-shaped bonding | Stainless steel alloy exterior, epoxy resin inner ring | Stainless steel alloy exterior, Epoxy resin inner ring | aluminum |
| Battery Life | Fast charging, long battery life | 4-6 days | Long-lasting | 3-5 days typical use, 7-10 days standby | 3-5 days typical use, 7-10 days standby | 5-7 days active use |
| Compatibility | iPhone, Android | iOS, Android | iPhone, Android | Android 5.1+, iOS 8.0+ | Android 5.1+, iOS 8.0+ | iOS, Android |
| Waterproof Rating | IP68 | IP68 | IP68 | |||
| Water Resistance | IP68 | IP68 | IP68 waterproof | |||
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