Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
RingConn RCA-02 Galaxy Silver, Size 12 Gen 2 Air Ultra-Thin AI Smart Ring
Available offers (9)
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Current
Galaxy Silver, Size 12
Retailer
€177.47
Available to order
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Price history by offer
Volatility: LowFeatures
- AI-powered health insights
- 10-day battery life
- Ultra-thin 2mm design
- Waterproof to 328 feet
- No subscription fee
- HSA/FSA eligible
- Find your ring feature
- iOS & Android compatible
General specs
- Brand: RingConn
- Model: RCA-02
- Seller: Retailer
- ID: B0DWJY2RXX
- Size: 12
- Brand: RingConn
- Model: Gen 2 Air
- Weight: 0.0055 lbs
- Sensors: Multi-sensor (sleep, heart rate, stress, blood oxygen, activity, menstrual cycle)
- Thickness: 2 mm
- Dimensions: 4.7 x 4.3 x 11.3 inches
- AI Features: AI-powered health insights, personalized reports, AI assistant
- Battery Life: 10 days
- Connectivity: iOS & Android compatible
- Find My Ring: Yes (Find Your Ring feature)
- Charging Time: 90 minutes
- Included Items: Ring, Charging Dock, 1m USB-C to C Cable, User Manual
- Weight (actual): 2.5 g
- App Subscription: No fee for standard features
- HSA/FSA Eligible: Yes
- Waterproof Rating: IP68 (100m / 328ft)
- First listed by seller: May 30, 2025
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
United States
United States
Available
Forget bulky fitness bands. The RingConn Gen 2 Air is an ultra-thin smart ring designed for people who want continuous health tracking without the hassle of a strap. Whether you're a busy professional tracking sleep quality or an athlete monitoring recovery, this ring delivers detailed insights in a discreet package.
Unlike typical wearables that scream 'I'm tracking my steps,' the Gen 2 Air slips on like jewelry. The 2mm profile and 2.5g weight make it feel invisible during workouts, sleep, or a day at the office. The real magic is in the AI that turns raw sensor data into actionable reports. It tracks heart rate, stress, blood oxygen, activity, and sleep stages, then gives you personalized guidance to improve your habits. No subscription fees for standard features—just download the app and start exploring your health data.
The battery lasts up to 10 days on a 90-minute charge, so you won't have to remember yet another charging routine. And with IP68 waterproofing tested to 100 meters, you can swim, dive, or wash hands without taking it off. The new Find My Ring feature helps locate your ring via the app, saving you from frantic searches. Use your HSA/FSA to buy it, and use the sizing kit (sold separately) to ensure a perfect fit. It's health tracking that stays out of your way.
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| Brand | RingConn | RingConn | Samsung | Emerhome | Samsung | Samsung |
| Model | RCA-02 | RCA-02 | SM-Q500NZKAXAR | R11 | SM-Q515NZKAXAR | SM-Q501NZDAXAR |
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| Price | €177.47 | €177.47 | €303.21 | €26.74 | €187.69 | €383.46 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 30, 2026 | May 7, 2026 | May 16, 2026 | Mar 22, 2026 | Mar 21, 2026 | May 16, 2026 |
| Weight | 0.0055 lbs | 0.00625 pounds | 0.0075 pounds | 0.006875 pounds | ||
| AI Features | AI-powered health insights, personalized reports, AI assistant | Yes | Yes | |||
| Battery Life | 10 days | Up to 7 days | Up to 7 days | Up to 7 days | ||
| Warranty | 1 Year Manufacturer | 1 Year Manufacturer Warranty | 1 year manufacturer | |||
| Release Date | 2024-07-24 | 2025-01-22 | 2024-07-24 | |||
| Compatibility | Android smartphones only | Android | Android smartphones | |||
RingConn RCA-02 Galaxy Silver AI-powered health insights
€177.47
When this device makes sense
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