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 12 Gen 2 Air Ultra-Thin AI Smart Ring
Available offers (9)
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Current
Dune Gold, Size 12
Retailer
€177.09
Available to order
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Price history by offer
Volatility: LowFeatures
- 10-day battery life
- Ultra-thin 2mm profile
- AI-powered health insights
- No subscription fee for standard features
- IP68 waterproof rated to 328 ft
- Find Your Ring app feature
- HSA/FSA eligible
- Weighs only 0.088 ounces
General specs
- Brand: RingConn
- Model: RCA-02
- Seller: Retailer
- ID: B0DWJWYV2Q
- Size: 12 (US ring size)
- Width: 4.3 inches
- Height: 11.3 inches
- Length: 11.3 inches
- Weight: 0.0055 lbs
- Material: Titanium alloy, Ceramic coating
- Sizing Note: Purchase separate RingConn Sizing Kit for accurate fit
- Battery Life: 10 days
- Charging Port: USB-C
- Compatibility: iOS, Android
- Number of Items: 1
- HSA/FSA Eligible: Yes
- Sensor Technology: AI-powered multi-sensor (optical heart rate, SpO2, accelerometer, gyroscope, skin temperature)
- Tracking Features: Heart rate, Sleep, Stress levels, Blood oxygen, Physical activity, Menstrual cycles
- Waterproof Rating: IP68 (tested to 328 ft / 100 m)
- Battery Charge Time: 90 minutes
- Subscription Required: No subscription fee for standard features
- Depth Rating (waterproof): 328 ft
- First listed by seller: May 29, 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
The RingConn Gen 2 Air is your all-day health companion, designed for anyone who values discreet wellness tracking without the bulk of a traditional fitness band. Whether you're a busy professional tracking sleep quality or a runner monitoring recovery, this 2mm thin smart ring delivers continuous insights you can trust.
Unlike bulky wrist trackers, this ring feels weightless - you'll forget you're wearing it. It measures heart rate, blood oxygen, stress, and sleep stages, with an AI assistant that provides personalized reports. The 10-day battery life means charging once a week, not daily. And with an IP68 rating tested to 100m, it's ready for laps in the pool or a dive trip.
The RingConn app shows your trends over time, so you can spot patterns - like how your sleep changes after evening workouts. No subscription fee for core tracking, and it's HSA/FSA eligible. Get the Dune Gold finish for a stylish look that works at the gym or the office.
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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 | Jun 24, 2026 | May 7, 2026 | Mar 22, 2026 | May 16, 2026 | Mar 21, 2026 | May 16, 2026 |
| Width | 4.3 inches | 0.98 inches | 1.01 inches | |||
| Height | 11.3 inches | 0.78 inches | 0.81 inches | |||
| Length | 11.3 inches | 2.07 inches | 2.01 inches | |||
| Weight | 0.0055 lbs | 0.00625 pounds | 0.0075 pounds | 0.006875 pounds | ||
| Battery Life | 10 days | Up to 7 days | Up to 7 days | Up to 7 days | ||
| Compatibility | iOS, Android | Android smartphones only | Android | Android smartphones | ||
| Warranty | 1 Year Manufacturer | 1 Year Manufacturer Warranty | 1 year manufacturer | |||
| Release Date | 2024-07-24 | 2025-01-22 | 2024-07-24 | |||
RingConn RCA-02 Dune Gold 10-day battery life
€177.09
When this device makes sense
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