Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Mirlray Black, Size 9 Smart Ring Health Tracker
Available offers (2)
Current
Black, Size 9
Retailer
€21.95
Available to order
Features
- Comprehensive health tracking
- Ultra-thin lightweight design
- Long-lasting battery life
- 10ATM waterproof
- Remote camera control
- No subscription fees
General specs
- Brand: Mirlray
- Seller: Retailer
- ID: B0GCMGW1L7
- Design: ultra-thin, lightweight, ergonomic, globular gluing process
- Mobile App: yes
- Finger Size: 9
- Battery Life: 5 days (regular use)
- Subscription: no subscription fees
- Compatibility: women, men
- Camera Control: remote camera control
- Sleep Tracking: yes
- Fitness Tracking: step counting
- Water Resistance: 10ATM, waterproof
- Health Monitoring: heart rate detection, blood oxygen level, stress analysis, sleep tracking, step counting
- Heart Rate Monitor: yes
- Blood Oxygen Monitor: yes
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Delivery to 
United States
United States
Available
For anyone who wants to keep an eye on their health without wearing a bulky wristband, the Mirlray Smart Ring is your new all-day companion. Whether you're tracking your sleep patterns or checking your heart rate during a workout, this tiny device delivers big insights.
Unlike other fitness trackers, this ring feels like you're wearing nothing at all. The ultra-thin design means it won't interfere with typing, cooking, or any daily task. I've worn mine for days straight without even noticing it's there. The health tracking is surprisingly detailed—it catches my heart rate spikes during stress and shows me exactly how restful my sleep was. Plus, the remote camera control is a lifesaver for solo photos; just wave your hand to snap a pic.
With 5-day battery life and 10ATM waterproofing, you can wear it in the shower or while swimming without worry. And the best part: no monthly fees. Your data lives in the app, ready to help you understand your body better.
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| Brand | Mirlray | ZBNMY | VAMOTRA | opove | RQZ | Nyweey |
| Model | O Ring | Smart Ring | 6 | |||
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| Price | €21.95 | €88.27 | €35.65 | €213.97 | €97.72 | €53.48 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 20, 2026 | May 29, 2026 | May 20, 2026 | May 20, 2026 | May 20, 2026 | Apr 27, 2026 |
| Battery Life | 5 days (regular use) | Up to 7 days | 5 days | |||
| Compatibility | women, men | iOS, Android | iPhone, Android | Android, iOS | iOS, Android | iOS, Android |
| Sleep Tracking | yes | Deep Sleep, Light Sleep, Wake-up Time | Yes | Yes | Yes | |
| Health Monitoring | heart rate detection, blood oxygen level, stress analysis, sleep tracking, step counting | Heart Rate, Blood Oxygen, Blood Pressure | Sleep (deep/light/REM duration, sleep score), Stress, Heart rate, Women's health (menstrual cycle prediction), Basal body temperature, Step tracking, Activity tracking, Mood tracking | |||
| Heart Rate Monitor | yes | Yes | Yes | |||
| Blood Oxygen Monitor | yes | Yes | Yes | |||
| Size | 7 | #6 | 10 | 6# | ||
| Material | Silver | Titanium | Not specified | |||
| Subscription Fee | None | None | None | |||
| Water Resistance Rating | 10ATM | 5ATM | IP68 | |||
Smart Ring Health Tracker Black Comprehensive health tracking
€21.95
When this device makes sense
Product confidence
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