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 7 Ultra-Thin AI Smart Ring
Available offers (9)
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Current
Galaxy Silver, Size 7
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 to 328 feet
- HSA/FSA eligible
- Compatible with iOS and Android
- Ring tracking feature
General specs
- Brand: RingConn
- Model: RCA-02
- Seller: Retailer
- ID: B0DWJW9WQW
- Size: 7
- Weight: 0.5732018812 lbs
- Battery Life: 10 days
- Charging Time: 90 minutes
- Compatibility: iOS, Android
- NumberOfItems: 1
- Weight (grams): 2.5 g
- HSA/FSA Eligible: Yes
- Subscription Fee: None for standard features
- Waterproof Depth: 100 m
- Profile Thickness: 2 mm
- Waterproof Rating: IP68
- Sizing Kit Required: Yes
- Find Your Ring Feature: Yes
- AI-Powered Health Insights: Yes
- First listed by seller: June 6, 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 smart ring is your discreet health companion, designed for the active person who wants 24/7 insights without wearing a bulky watch. Whether you're training for a marathon or managing stress at work, this ultra-thin ring slips on and stays out of your way.
At just 2mm thin and 2.5g, you'll forget you're wearing it. It tracks sleep stages, heart rate, blood oxygen, stress, and activity, then uses AI to give you personalized daily reports. No subscription fees for standard features—just download the app and start monitoring. Battery lasts up to 10 days, and a full charge takes 90 minutes. Plus, IP68 waterproofing means it handles swimming, diving, or a sweaty workout.
Before you buy, order the sizing kit to find your perfect fit—this ring uses unique sizes. Need to find a misplaced ring? The new app feature guides you step by step. It's also HSA/FSA eligible.
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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 19, 2026 | May 7, 2026 | Mar 22, 2026 | May 16, 2026 | Mar 21, 2026 | May 16, 2026 |
| Weight | 0.5732018812 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 Galaxy Silver 10-day battery life
€177.09
When this device makes sense
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