Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Aoyool Health & Fitness Tracker Ring
Product details
General specs
- Brand: Aoyool
Starting from €35.69
Last price update: 9/11/26
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| Brand | Aoyool | Kuinha | REWSX | Free Shark | S SECRETTOP | TYUIOL |
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| Price | €35.69 | €15.16 | €53.53 | €44.62 | €178.49 | €21.40 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Mar 21, 2026 | May 11, 2026 | Apr 27, 2026 | May 20, 2026 | May 29, 2026 |
| Size | 8 | 9 | 7 | 9 | ||
| Battery Life | 3-5 days | 7 days | 3-5 days | 5 days, 30 days with charging case | 3-5 days typical use, 7-10 days standby | |
| Compatibility | Android 5.0+, iOS 9.0+ | Android 6.0 or above, iOS 11.0 or higher | iPhone, Android | iOS, Android | ||
| Water Resistance | IP68 | IP68 | IP68 | IP68 | ||
| Sleep Tracking Metrics | Deep Sleep Duration, Light Sleep Duration, Eye Movement, Wakefulness | Deep Sleep Duration, Light Sleep Duration, Wakeful States | Total Sleep Time, Deep Sleep, Light Sleep, REM Sleep, Awake Periods | |||
| Health Monitoring Features | Heart Rate, Blood Oxygen (SPO₂), Sleep Tracking, Activity Monitoring | Sleep Monitoring, Step Counting, Heart Rate Monitoring, Blood Oxygen Monitoring, Exercise Tracking | Heart Rate, Blood Oxygen (SpO2), Sleep Monitoring, Steps, Distance, Calories, Blood Pressure | |||
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