Mirlray R02 Smart Ring Health Tracker: Blood oxygen and heart rate monitor
This Mirlray smart ring is for the active person who wants health insights without a bulky device. It tracks your heart rate and blood oxygen during workouts, and monitors your sleep patterns overnight. The ultra-thin design feels like wearing nothing, so you forget it's there until you need it.
Think of it as your silent health companion. The long-lasting battery lasts through a busy week, and the waterproof build means you never take it off, even in the shower. Use the remote camera control to snap photos with a hand wave, capturing moments without fumbling for your phone. With no subscription fees, you get all your data easily through the app, helping you manage your health without extra costs.
Features
- Long-lasting battery up to 5 days
- 10ATM waterproof for swimming
- Remote camera control
- No subscription fees
- Ultra-thin and lightweight design
- Blood oxygen and heart rate monitor
General specs
- Brand: Mirlray
- Model: R02
- Seller: Amazon
- ID: B0FNQD4ZBH
- Size: 7
- Brand: Mirlray
- Battery Life: 5 days
- Product Type: Smart Ring
- Compatibility: Mobile App
- Target Gender: Women, Men
- Design Features: Ultra-Thin, Lightweight, Ergonomic, Globular gluing process
- Number of Items: 1
- Waterproof Rating: 10ATM
- Additional Features: Remote Camera Control, No Subscription Fees
- Health Tracking Features: Heart Rate Monitor, Blood Oxygen Monitor, Stress Analysis, Sleep Tracking, Step Counting
- Activities Resistance Water: Swimming, Showering
- First listed by seller: 3/21/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
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| Brand | Mirlray | Free Shark | Kuinha | PJIVE | ||
| Model | R02 | R9 | ||||
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| Price | $39.99 | $29.99 | $99.99 | $49.99 | $16.99 | $39.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 |
| Size | 7 | 8 | 9 | 8 | ||
| Battery Life | 5 days | Up to 7 days | 7 days | 3-5 days normal use, 7-10 days standby | ||
| Product Type | Smart Ring | Smart Ring | Smart Ring, Health Tracker, Fitness Tracker, Sleep Tracker, Activity Tracker | |||
| Compatibility | Mobile App | iOS, Android | iOS, Android | Android 6.0 or above, iOS 11.0 or higher | Android 6.0+, iOS 11.0+ | |
| Design Features | Ultra-Thin, Lightweight, Ergonomic, Globular gluing process | Ultra-thin, Lightweight, Comfortable Fit | Thin, Lightweight, Comfortable Wear, Minimal Foreign Body Sensation, Fashionable Appearance | |||
| Waterproof Rating | 10ATM | IP68 | IP68 | |||