Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Samsung SM-Q515NZKAXAR Black, Size 15 Galaxy Ring
Available offers (27)
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Current
Black, Size 15
Retailer
€187.69
Available to order
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Price history by offer
Volatility: LowFeatures
- Advanced sleep tracking
- Precise heart rate monitoring
- Up to 7-day battery life
- Automatic workout detection
- Comfortable lightweight design
- Water resistant
- Scratch-resistant concave design
- Personalized wellness tips
- Cycle and temperature tracking
- Android smartphone required
General specs
- Brand: Samsung
- Model: SM-Q515NZKAXAR
- Seller: Retailer
- ID: B0DKZ9CC32
- Brand: Samsung
- Model: Galaxy Ring
- Weight: 0.0075 pounds
- Version: US
- Warranty: 1 Year Manufacturer Warranty
- Ring Size: 15
- Battery Life: Up to 7 days
- Release Date: 2025-01-22
- Compatibility: Android
- Water Resistance: Water Resistant
- Tracking Features: Fitness Tracking, Sleep Tracking, Heart Rate Tracking, Cycle Tracking
- Additional Features: No App Subscription, Concave Design for Durability, Wellness Tips, AI, FSA/HSA Eligible
- 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
For the busy professional who values discreet health tracking, the Galaxy Ring slips onto your finger and into your daily life. You attend meetings, work out, and sleep without adjusting a wristband. The ring continuously monitors heart rate, movement, and skin temperature, syncing insights to your Samsung phone.
One unexpected benefit is its ability to blend into social settings. You wear it to a dinner party, and the ring's elegant design draws no attention while it quietly gathers sleep quality data later. In the morning, you review a detailed sleep report that reveals how your late coffee affected deep sleep. The motion tracking surprises you: it automatically logs a spontaneous dance break as a workout, requiring no manual start.
With a 7-day battery and durable construction, the ring keeps up with handwashing and dumbbell lifts. The heart rate monitor filters out body movement for accuracy, even when you fidget during a tense call. Samsung's AI Wellness Tips deliver personalized nudges, like stretching after prolonged sitting, turning passive tracking into active improvement.
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| Brand | Samsung | RingConn | RingConn | RingConn | RingConn | RingConn |
| Model | SM-Q515NZKAXAR | RCA-02 | RCA-02 | RCA-02 | RCA-02 | RCA-02 |
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| Price | €187.69 | €177.47 | €174.85 | €176.01 | €177.47 | €177.47 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 21, 2026 | Mar 30, 2026 | Mar 21, 2026 | Jun 24, 2026 | Jun 19, 2026 | Mar 21, 2026 |
| Weight | 0.0075 pounds | 0.0055 lbs | 0.0055 lbs | 2.5g | 0.5732018812 lbs | |
| Battery Life | Up to 7 days | 10 days | 10 days | 10 days | 10 days | |
| Compatibility | Android | iOS, Android | iOS, Android | iOS, Android | ||
| Size | 12 | 6 | 10 | 7 | 11 | |
| Charging Time | 90 minutes | 90 minutes | 90 minutes | 90 minutes | ||
| HSA/FSA Eligible | Yes | Yes | Yes | Yes | Yes | |
| Waterproof Rating | IP68 (100m / 328ft) | IP68 (tested to 100m/328ft) | IP68 | IP68 | ||
| Subscription Fee | No (standard features) | None for standard features | No subscription for standard features | |||
Samsung SM-Q515NZKAXAR Titanium Black Advanced sleep tracking
€187.69
When this device makes sense
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