Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
GJKQRJ 7 Gold, Size 7 Smart Ring Health Tracker
Available offers (2)
Current
Gold, Size 7
Retailer
€53.49
Available to order
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Features
- 24/7 health monitoring and sleep tracking
- Multi-sport modes and activity tracking
- IP68 waterproof for all scenarios
- Gesture control and no subscription fee
- Portable charging case and long battery life
- Heartfelt gift and wide compatibility
- Size before you buy
General specs
- Brand: GJKQRJ
- Model: 7
- Seller: Retailer
- ID: B0GRLQNKC2
- Weight: Lightweight
- Material: Not specified
- Size (US): 7
- Battery Life: 5 days
- Connectivity: Bluetooth
- Step Counter: Yes
- Compatibility: iOS, Android
- Sleep Tracking: Yes (deep/light/REM)
- Calorie Tracking: Yes
- Subscription Fee: None
- Distance Tracking: Yes
- Multi-Sport Modes: Walking, Running, Cycling, Yoga, Hiking
- Waterproof Rating: IP68
- Heart Rate Monitor: Yes
- Blood Oxygen Monitor: Yes
- Charging Case Capacity: 400mAh
- Extra Charges (Charging Case): 10-15 full charges
- First listed by seller: April 29, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
| Date | Price |
|---|---|
| 4/29/26 | €53.49 |
| 4/9/26 | €53.49 |
Shipping options
Delivery to 
United States
United States
Available
This smart ring is for anyone who wants to keep a close eye on their health without wearing a bulky watch or band. If you value sleep quality and want to understand your nightly patterns, this ring provides detailed sleep stage analysis. After using it for a week, you can see exactly how your evening routine affects your deep sleep duration.
Unlike many trackers that require a monthly subscription, this ring includes a free app with no hidden fees. The IP68 waterproof rating lets you wear it while swimming or showering. A unique benefit is the charging case: it holds up to 15 extra charges, so you never have to worry about battery during travel. Simply pop the ring in its case for a quick recharge.
The gesture control is a highlight. You can snooze an alarm or activate the camera shutter on your phone with a simple tap. It works with both iOS and Android, and syncing is seamless. This ring offers a practical way to monitor your health metrics continuously, with the comfort and style of jewelry.
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| Brand | GJKQRJ | Kuinha | ZBNMY | TYUIOL | S SECRETTOP | ZBNMY |
| Color |
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| Price | €53.49 | €15.15 | €88.29 | €21.39 | €214.04 | €38.33 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 20, 2026 | Mar 21, 2026 | May 29, 2026 | May 29, 2026 | May 7, 2026 | Apr 17, 2026 |
| Material | Not specified | Silver | Lightweight | Stainless Steel Alloy Exterior, Epoxy Resin Inner Ring | ||
| Battery Life | 5 days | 7 days | 3-5 days typical use, 7-10 days standby | |||
| Compatibility | iOS, Android | Android 6.0 or above, iOS 11.0 or higher | iOS, Android | iOS, Android | iOS, Android | |
| Waterproof Rating | IP68 | IP68 | IP68 | |||
| Heart Rate Monitor | Yes | Yes | Yes | |||
| Blood Oxygen Monitor | Yes | Yes | Yes | |||
| Size | 9 | 7 | 9 | 7 | 7 | |
GJKQRJ 7 Gold 24/7 health monitoring and sleep tracking
€53.49
When this device makes sense
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