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 8 Gen 2 Air Smart Ring
Available offers (9)
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Current
Galaxy Silver, Size 8
Retailer
€177.09
Available to order
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Price history by offer
Volatility: LowFeatures
- Ultra-thin 2mm profile
- Weighs only 0.09 oz
- 10-day battery life
- AI-powered health insights
- Tracks sleep, heart rate, stress, SpO2
- IP68 waterproof to 328 ft
- No subscription fee
- HSA/FSA eligible
- Find Your Ring feature
- iOS & Android compatible
General specs
- Brand: RingConn
- Model: RCA-02
- Seller: Retailer
- ID: B0DWJR7F6T
- upc: Does not apply
- Size: 8
- Brand: RingConn
- Model: Gen 2 Air
- Width: 2 mm
- Weight: 0.0055 lbs
- Sensors: Heart rate, Blood oxygen, Accelerometer, Gyroscope, Temperature
- Features: AI health insights, Sleep tracking, Stress tracking, Heart rate tracking, Blood oxygen tracking, Activity tracking, Menstrual cycle tracking, Swimming mode, Find My Ring
- Material: Titanium alloy
- Warranty: 1 year
- Color Name: Galaxy Silver
- Wrist Size: 8
- Battery Life: 10 days
- Battery Type: Lithium-ion
- Depth Rating: 100 m (328 ft)
- Case Diameter: 2.5 g
- Charging Time: 90 minutes
- Compatible OS: iOS, Android
- Smartphone App: RingConn
- Number of Items: 1
- Waterproof Rating: IP68
- First listed by seller: March 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
Ditch the bulky wristband. The RingConn Gen 2 Air smart ring packs ten days of continuous health tracking into a 2.5g, 2mm-thin ring you forget you're wearing. Whether you're at the office, running errands, or diving to 100 meters, it stays on, collects data, and sends you personalized insights each morning without any subscription fees.
Sleep tracking used to mean a stiff band on my wrist. This ring measures your heart rate, blood oxygen, and sleep stages all night without disturbing you. In the morning, the AI assistant breaks down your trends and suggests changes. During the day, it monitors stress and activity. When you want to find the ring, the app guides you step-by-step. It's HSA/FSA eligible, and you can shower, swim, or workout without taking it off.
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| Brand | RingConn | RingConn | Samsung | Emerhome | Samsung | Samsung |
| Model | RCA-02 | RCA-02 | SM-Q501NZDAXAR | R11 | SM-Q500NZKAXAR | SM-Q515NZKAXAR |
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| Price | €177.09 | €177.09 | €382.65 | €26.69 | €302.57 | €187.29 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Apr 24, 2026 | May 7, 2026 | May 16, 2026 | Mar 22, 2026 | May 16, 2026 | Mar 21, 2026 |
| Width | 2 mm | 1.01 inches | 0.98 inches | |||
| Weight | 0.0055 lbs | 0.006875 pounds | 0.00625 pounds | 0.0075 pounds | ||
| Warranty | 1 year | 1 year manufacturer | 1 Year Manufacturer | 1 Year Manufacturer Warranty | ||
| Battery Life | 10 days | Up to 7 days | Up to 7 days | Up to 7 days | ||
| Release Date | 2024-07-24 | 2024-07-24 | 2025-01-22 | |||
| Compatibility | Android smartphones | Android smartphones only | Android | |||
RingConn RCA-02 Galaxy Silver Ultra-thin 2mm profile
€177.09
When this device makes sense
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