16Double8 V3 Frosted Smart Ring: Heart rate monitoring
Available Options
Forget the clunky wristband. The V3 Frosted Smart Ring slips onto your finger and gets to work, tracking your health with a level of discretion that smartwatches can only envy. It’s the minimalist’s dream for anyone—or any couple—serious about wellness without the tech-bro aesthetic.
This tiny ring is a powerhouse. It monitors heart rate and blood oxygen levels around the clock, serving up real-time insights into your cardiovascular fitness. Toss and turn at night? It analyzes sleep patterns to help you crack the code on better rest. And yes, it counts your steps—because sometimes, old-school motivation still works.
Here’s the kicker: it even tries to read your emotions. Using sensor data, it infers your mood, offering a nudge toward stress management. Made from a comfortable, frosted material, it’s designed for 24/7 wear and shrugs off water like a pro—perfect for handwashing or a sweaty workout.
Sync everything to a companion app to spot trends, set goals, or share data with a partner. Whether you’re a fitness fanatic or just health-curious, this ring wraps cutting-edge tech in a package that’s actually stylish. It’s health tracking, refined.
- Blood oxygen tracking
- Sleep analysis
- Step counting
- Emotion detection
- Minimalist design
- Heart rate monitoring
General specs
- Brand: 16Double8
- Model: V3
- Seller: Joom
- Compatibility: Smartphones with Bluetooth
- Water Resistance: Splash proof
- Battery Life: Up to 7 days
- Sensors: Optical heart rate sensor, SpO2 sensor, Accelerometer
- Connectivity: Bluetooth Low Energy
- Material: Frosted finish metal or plastic
- Display: None (data via app)
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
16Double8 V3 Heart rate monitoring
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Fitness & Sleep Tracker Smart Ring
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Smart Fitness Tracker Ring Health & Sleep Tracker
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Smart Ring for Health and Sleep Monitoring Health monitoring
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Fitness Tracker Smart Ring Comprehensive Health Monitoring
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Smart Ring Health Tracker with Heart Rate and Blood Oxygen Monitor
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|
| Brand | 16Double8 | Hunan Constant Li Electronic Technology Co., Ltd. | spywkn | OutsideWorld | MEINING HEALTH CONSULTING LLC | |
| Model | V3 | M1 | ||||
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| Price | $33.22 | $109.99 | $49.99 | $31.37 | $39.99 | $39.99 |
| Seller | Joom | Amazon | Amazon | Joom | Amazon | Gshopper |
| Update | August 24, 2025 | June 29, 2025 | June 27, 2025 | August 30, 2025 | June 27, 2025 | July 25, 2024 |
| Compatibility | Smartphones with Bluetooth | iOS, Android | Universal | Smartphones with Bluetooth | ||
| Battery Life | Up to 7 days | 3-5 days per full charge, 400mAh battery provides 15 recharges | Up to 7 days | |||
Frosted Smart Ring
Ethan T.
Phoenix, AZ
September 2, 2025
My first impression was WOW—this thing is sleek and totally understated, a far cry from those bulky wrist gadgets. As a retired guy in Phoenix, I'm all about practicality, and this ring delivers on tracking my steps, heart rate, and sleep without drawing attention. It's fairly accurate for most metrics, and I appreciate the real-time insights, especially during my cooking sessions when I'm on my feet a lot. The water resistance is a lifesaver for handwashing and sweaty workouts. However, the mood detection feels so-so—it might infer stress when I'm just focused, which isn't always helpful. Overall, it's a solid choice for health tracking with style, though it has its quirks. I'd recommend it with a few caveats.
- Pros: I was blown away by how comfortable and discreet this ring is—it feels like wearing nothing at all, yet it tracks my heart rate and sleep patterns constantly without any fuss. The material is smooth and holds up well to daily wear, including getting wet, which is a huge plus for my active lifestyle. Syncing data to the app is seamless, and I love being able to spot trends in my health over time; it's incredibly insightful for someone like me who's always curious about wellness.
- Cons: The emotion reading feature seems a bit hit-or-miss—sometimes it nails how I'm feeling, other times it's way off, which can be frustrating. Battery life could be better; I find myself charging it more often than I'd like, and the app occasionally glitches when trying to share data with my partner. For the price, I expected a bit more reliability in these areas.