MZJ M-050819-ZH Smart Ring Fitness Tracker: All-Day Health Tracking
Ever wished your jewelry could do more than just look good? Meet the Smart Ring Fitness Tracker, your new 24/7 health buddy that's as stylish as it is smart. Packed with cutting-edge 4.0 sensors, it keeps an eye on your heart rate, blood oxygen, and even your blood pressure—because who has time for guesswork when it comes to health?
And let's talk about sleep. This little wonder doesn't just count sheep; it dives deep into your sleep stages (deep, light, REM—the whole shebang) to help you wake up feeling like you've actually rested. Plus, with 8 sports modes from running to yoga, it's like having a personal trainer on your finger, tracking every step, sprint, and downward dog.
Oh, and did we mention it's IP68 waterproof? Rain, sweat, or accidental dips—no problem. Battery life? A solid 5 days on a single charge, or stretch it to over 30 days with the charging case (because who remembers to charge things daily?). Bonus perks? Snap pics from afar with remote camera control and keep your loved ones in the loop with family health data sharing. Ideal for keeping tabs on your health or as a gift that says, 'I care about your well-being (and your style).'
- Sleep Quality Insights
- 8 Sports Modes with GPS Sync
- Waterproof & Long Battery Life
- Remote Camera & Family Share
- Get the Right Fit!
- All-Day Health Tracking
General specs
- Brand: MZJ
- Model: M-050819-ZH
- Seller: Amazon
- package_dimensions: 3 x 3 x 1.6 inches
- item_weight: 3.2 ounces
- batteries: 1 9V batteries required. (included)
- memory_storage_capacity: 64 MB
- country_of_origin: China
- First listed by seller: 6/22/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
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MZJ M-050819-ZH All-Day Health Tracking
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MZJ M-050819-ZH All-Day Health Tracking
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MZJ M-050819-ZH All-Day Health Tracking
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Smart Wellness Ring Real-time Health Monitoring
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Smart Wellness Ring Real-time health monitoring
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| Brand | MZJ | MZJ | MZJ | TY little store | TY little store | TY little store |
| Model | M-050819-ZH | M-050819-ZH | M-050819-ZH | |||
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| Rating |
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| Price | $59.99 | $59.99 | $59.99 | $59.98 | $59.98 | $59.98 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 27, 2025 | June 27, 2025 | June 29, 2025 | June 27, 2025 | June 27, 2025 | August 5, 2025 |
| package_dimensions | 3 x 3 x 1.6 inches | 3 x 3 x 1.6 inches | 3 x 3 x 2 inches | 3 x 3 x 2 inches | 3 x 3 x 2 inches | |
| item_weight | 3.2 ounces | 3.2 ounces | 0.2 Pounds | 3.85 Ounces | 3.85 Ounces | 3.85 Ounces |
| batteries | 1 9V batteries required. (included) | 1 9V batteries required. (included) | 1 9V batteries required. (included) | 1 9V batteries required. (included) | 1 9V batteries required. (included) | 1 9V batteries required. (included) |
| memory_storage_capacity | 64 MB | 64 MB | 64 MB | 64 MB | 64 MB | |
| country_of_origin | China | China | China | China | China | China |
| date_first_available | May 4, 2025 | January 23, 2025 | January 22, 2025 | |||
Joseph S.
Boston, MA
July 4, 2025
As a guy in his early twenties who's into cycling and scooters, I picked this up hoping for a discreet way to monitor my health without extra gadgets. Overall, it's a decent piece—stylish and functional for basics like step counting and sleep analysis. But it's not perfect; the inaccuracies in some metrics make me hesitant to fully rely on it. I'd recommend it more for casual users who want a fitness accessory that looks good, but if you're serious about data, you might want something more robust. A tip: pair it with a dedicated app for cycling to get better insights, since the built-in modes are a bit limited. For the price, it's okay, but I'm not blown away. : )
- Pros: I really like how this ring looks and feels on my finger—it's sleek and doesn't get in the way during my daily rides. The health tracking seems pretty accurate for things like heart rate and sleep stages, helping me understand my rest better. Battery life is solid, lasting almost a week without needing a charge, which is great for someone like me who's always on the go. The remote camera feature is a fun bonus for taking group shots without fumbling with my phone.
- Cons: The blood pressure readings seem off sometimes, making me doubt their reliability, and it can be a bit slow to sync data to my phone. I wish it had more customization for tracking my cycling specifically, as it feels generic. The app interface is a bit confusing for a beginner like me, and the family sharing feature didn't work smoothly when I tried it. Also, after a few weeks, the finish started to show minor scratches from daily wear.