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 Dune Gold, Size 11 Gen 2 Air, Ultra-Thin AI Smart Ring
Available offers (9)
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Current
Dune Gold, Size 11
Retailer
€177.09
Available to order
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Price history by offer
Volatility: LowFeatures
- AI-powered health insights
- 10-day battery life
- Ultra-thin 2mm profile
- 2.5g lightweight design
- No subscription fee for standard features
- IP68 waterproof to 328ft
- HSA/FSA eligible
- Find Your Ring feature
General specs
- Brand: RingConn
- Model: RCA-02
- Seller: Retailer
- ID: B0DWJG2TD8
- Size: 11
- Model: RingConn Gen 2 Air
- Includes: RingConn Gen 2 Air, Charging Dock, USB-C to C Cable (3.3 ft), User Manual
- AI Assistant: Yes
- Product Type: smart ring
- Sensor types: multi-sensor, heart rate, blood oxygen, stress, sleep, activity, menstrual cycle
- Compatible OS: iOS, Android
- Width (inches): 0.02 in
- Height (inches): 4.7 in
- Length (inches): 11.3 in
- Weight (ounces): 0.09 oz
- Weight (pounds): 0.5732 lbs
- HSA/FSA Eligible: Yes
- Subscription Fee: No subscription for standard features
- Waterproof Rating: IP68
- Thickness (inches): 0.08 in
- Battery Life (days): 10
- Depth Rating (feet): 328 ft
- Find My Ring Feature: Yes
- Charge Time (minutes): 90
- First listed by seller: May 2, 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
You wear it 24/7 for health insights without the bulk. The RingConn Gen 2 Air smart ring tracks sleep, heart rate, stress, and activity, and the AI analyzes patterns to give you simple daily feedback. It's only 2mm thin and weighs 2.5g, so you forget it's on your finger. Just 90 minutes of charging gives you 10 days of battery. No monthly subscription needed for standard features. The Find Your Ring feature helps locate it via the app. Use HSA/FSA funds for purchase. To get the right size, purchase the official sizing kit first.
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| Brand | RingConn | RingConn | Emerhome | Samsung | Samsung | Samsung |
| Model | RCA-02 | RCA-02 | R11 | SM-Q500NZKAXAR | SM-Q515NZKAXAR | SM-Q501NZDAXAR |
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| Price | €177.09 | €177.09 | €26.69 | €302.57 | €187.29 | €382.65 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 21, 2026 | May 7, 2026 | Mar 22, 2026 | May 16, 2026 | Mar 21, 2026 | May 16, 2026 |
| Weight | 0.00625 pounds | 0.0075 pounds | 0.006875 pounds | |||
| Warranty | 1 Year Manufacturer | 1 Year Manufacturer Warranty | 1 year manufacturer | |||
| Battery Life | Up to 7 days | Up to 7 days | Up to 7 days | |||
| Release Date | 2024-07-24 | 2025-01-22 | 2024-07-24 | |||
| Compatibility | Android smartphones only | Android | Android smartphones | |||
RingConn RCA-02 Dune Gold AI-powered health insights
€177.09
When this device makes sense
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