Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Kuinha Smart Ring Health Tracker
Product details
General specs
- Brand: Kuinha
- Battery Life: 7 days
- OS Compatibility: Android 6+, iOS 11+
- Water Resistance: IP68
Starting from €15.16
A discreet smart ring designed for continuous health and fitness tracking. It offers 24/7 heart rate monitoring, intelligent sleep analysis with detailed graphs, and over 50 workout modes for comprehensive activity logging. With IP68 waterproof rating, it's suitable for all-day wear including during showers and swims. The device features a 7-day battery life with fast charging capability and provides full app access without subscription fees. Compatible with both Android and iOS devices.
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| Brand | Kuinha | Free Shark | ZBNMY | ZBNMY | Aoyool | |
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| Price | €15.16 | €44.62 | €31.24 | €38.36 | €35.69 | €11.26 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | AliExpress |
| Update | Mar 21, 2026 | Apr 27, 2026 | Mar 21, 2026 | Apr 17, 2026 | Jun 24, 2026 | Sep 26, 2026 |
| Size | 9 | 7 | 7 | 7 | 8 | |
| Battery Life | 7 days | 5 days, 30 days with charging case | 3-5 days | |||
| Compatibility | Android 6.0 or above, iOS 11.0 or higher | iOS, Android | iOS, Android | iOS, Android | Android 5.0+, iOS 9.0+ | |
| Design Features | Ultra-thin, Lightweight, Comfortable Fit | Lightweight, Durable, Waterproof | Lightweight, Durable, Waterproof | |||
| Subscription Fee | None | No | No | |||
| Waterproof Rating | IP68 | IP68 | IP68 | IP68 | ||
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