Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
AMOVAN Gold, Size 8 Smart Ring with Body Temperature Tracking
Available offers (3)
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Current
Gold, Size 8
Retailer
€48.15
Available to order
Features
- Wireless charging case with Type-C
- IP68 waterproof up to 50 meters
- 100+ sports modes
- Sleep monitoring with AI analysis
- Body temperature, heart rate, blood oxygen
- Bluetooth 5.2 dual-mode chip
- No subscription fee
- 15 days standby battery life
General specs
- Brand: AMOVAN
- Seller: Retailer
- ID: B0FD3KW6JX
- APP: QRing
- Chip: RTL8762ESF Bluetooth 5.2 dual-mode
- Size: #8
- Brand: AMOVAN
- Sensor: VC30F-S, ST LIS2DOCTR six-degree-of-freedom motion sensor
- Weight: lightweight (not specified)
- Materials: epoxy resin, stainless steel
- Connectivity: Bluetooth 5.2
- Sports Modes: 100+
- Charging Time: 1-1.5 hours
- Compatibility: iPhone, Android
- Step Counting: Yes
- Calorie Tracking: Yes
- Sleep Monitoring: Yes
- Subscription Fee: None
- Waterproof Rating: 5ATM (50m static water pressure)
- Heart Rate Monitor: Yes
- Battery Life (Usage): 5-7 days
- Blood Oxygen Monitor: Yes
- Battery Life (Standby): 15 days
- Body Temperature Monitor: Yes
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Delivery to 
United States
United States
Available
This smart ring is for anyone who wants 24/7 health tracking without wearing a bulky watch. Use it to monitor your body temperature during a workout or track sleep patterns without discomfort.
Most wearables focus on step counts. This ring offers a deeper view: heart rate, blood oxygen, and body temperature. The AI sleep analysis breaks down your night into light, deep, and REM stages, then offers suggestions to help you rest better. The app shows trends over days and weeks, so you can see how a late dinner or tough workout affects your sleep.
The ring is waterproof to 50 meters, so you never take it off. Battery lasts 5–7 days, and the wireless charging case is easy to pack. It works with iPhone and Android, with no subscription fees. Just put it on and get data you can actually use.
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| Brand | AMOVAN | KYUHJU | Kuinha | opove | LIBAXIN | GJKQRJ |
| Model | O Ring | Smart Ring | 7 | |||
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| Price | €48.15 | €36.82 | €15.15 | €214.04 | €17.83 | €53.49 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | May 29, 2026 | Mar 21, 2026 | May 20, 2026 | May 29, 2026 | May 20, 2026 |
| Size | #8 | 9 | 10 | 8# | ||
| Weight | lightweight (not specified) | 4.2g (0.15 oz) | 0.007 lbs | Not specified | Lightweight | |
| Compatibility | iPhone, Android | Android, iOS | Android 6.0 or above, iOS 11.0 or higher | Android, iOS | iOS, Android | |
| Subscription Fee | None | None | None | |||
| Waterproof Rating | 5ATM (50m static water pressure) | IP68 daily waterproof | IP68, 5ATM | IP68 | ||
| Material | Advanced stainless steel | Titanium | Not specified | Not specified | ||
| Battery Life | 3-5 days normal use, 7-10 days standby | 7 days | Up to 7 days | Not specified | 5 days | |
Smart Ring with Body Temperature Tracking Wireless charging case with Type-C
€48.15
When this device makes sense
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