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, packed into a sleek band you'll forget you're wearing. It's got these nifty 4.0 sensors that keep an eye on your heart rate, blood oxygen, and even blood pressure (because why not?). Plus, it'll spill the tea on your sleep, breaking down those deep, light, and REM stages so you can finally figure out why you're still tired after 'sleeping' for 8 hours.
Whether you're running like you're late for a meeting (even when you're not), cycling to pretend you're in the Tour de France, or attempting yoga poses that look easier on Instagram, this ring's got 8 sports modes to track your every move. Steps, speed, calories—you name it. And yeah, it's IP68 waterproof, so rain or shine (or accidental dips in the pool), it's got your back. Battery life? A solid 5 days, or stretch it to over 30 with the charging case (because who has time to charge things every other day?).
But wait, there's more! Snap pics from afar with remote camera control or share health stats with your fam (because nothing says 'I care' like monitoring each other's vitals). All in all, it's not just a gadget; it's the Swiss Army knife of fitness wearables—and a gift that might actually get used.
- 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: 0.2 Pounds
- batteries: 1 9V batteries required. (included)
- memory_storage_capacity: 64 MB
- country_of_origin: China
- First listed by seller: 6/17/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Comparison with similar products
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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 Fitness Tracker Ring Multidimensional fitness tracking
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Smart Ring Tracker Daily health monitoring
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Fitness Tracker Ring Multidimensional sports data tracking
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| Brand | MZJ | MZJ | MZJ | MUMUCREAM | Melilinkcn | MUMUCREAM |
| 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 | $79.99 | $59.99 | $79.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 29, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 | June 25, 2025 |
| package_dimensions | 3 x 3 x 1.6 inches | 3 x 3 x 1.6 inches | 3.94 x 3.74 x 1.57 inches | 3.03 x 2.99 x 1.89 inches | ||
| item_weight | 0.2 Pounds | 3.2 ounces | 3.2 ounces | 0.011 ounces | 4.2 ounces | |
| batteries | 1 9V batteries required. (included) | 1 9V batteries required. (included) | 1 9V batteries required. (included) | 1 AA batteries required. (included) | 1 AA batteries required. (included) | |
| memory_storage_capacity | 64 MB | 64 MB | 10 MB | 64 MB | 10 MB | |
| country_of_origin | China | China | China | China | China | |
| date_first_available | May 4, 2025 | May 26, 2025 | April 21, 2025 | |||
| standing_screen_display_size | 1 Centimeters | 1 Centimeters | 1 Centimeters | |||
Smart Ring Fitness Tracker
Chloé G.
Lille
June 21, 2025
as a healthcare worker, i'm naturally a bit skeptical about these kinds of devices, but i gave the mzj ring a try because i wanted something discreet for daily wear. i've been using it for a couple of months now, and overall, it's been very useful. i wear it during my shifts and at home, and it's held up well even when i'm active with my pets or caught in the rain. the sleep tracking has been eye-opening—i finally understand why i feel tired despite getting enough hours, and it's helped me make small changes. compared to other fitness trackers i've tried, this one blends in better with my style and doesn't scream 'tech gadget,' which i like. however, i wouldn't rely on it for serious health decisions; it's more of a general guide. the app could be improved for easier data sharing with my family, but it's decent. all in all, it's a solid choice if you're looking for a low-key way to monitor your activity and sleep, but keep your expectations realistic for the medical aspects.
- Pros: i love how comfortable and lightweight it is; i barely notice i'm wearing it all day, which is great for my job. the battery lasts a really long time, and i appreciate that it tracks my heart rate and sleep patterns accurately, helping me stay on top of my health without much effort. the remote camera feature is a fun bonus for taking photos without fumbling with my phone.
- Cons: from what i feel, the blood pressure readings seem a bit off sometimes, and i'm skeptical about how precise they are compared to medical devices. it doesn't always sync smoothly with my other gadgets, which can be frustrating. also, the charging case is handy but a bit bulky to carry around.