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).'
Features
- 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
- ID: B0F7Y55SK8
- 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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Price History for seller Amazon
| Date | Price |
|---|---|
| 11/10/25 | $55.99 |
| 6/22/25 | $59.99 |
Shipping options
United States
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| Brand | MZJ | BANGALORE | Dkeof | Aichiken | CNBRO | Kuinha |
| Model | M-050819-ZH | VR12 | R11M | JYR10PFS | AIR-Smart Ring | |
| Color | ||||||
| Rating |
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| Price | $55.99 | $39.99 | $39.99 | $65.99 | $45.39 | $9.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Nov 10, 2025 | Jun 27, 2025 | Jun 27, 2025 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 |
| Package Dimensions | 3 x 3 x 1.6 inches | 3.94 x 3.74 x 1.3 inches | 7.68 x 3.86 x 1.34 inches | 3 x 3 x 1 inches | 0.39 x 0.39 x 0.39 inches | 5.04 x 5 x 0.87 inches |
| Item Weight | 3.2 ounces | 3.84 ounces | 3.84 ounces | 2.39 ounces | 3.52 ounces | 22.7 Grams |
| batteries | 1 9V batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 9V batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 Lithium Metal batteries required. (included) | 1 AAA batteries required. (included) |
| Memory Storage Capacity | 64 MB | 2 MB | 4 MB | |||
| Country of Origin | China | China | China | China | China | China |
| Date First Available | March 30, 2025 | April 17, 2025 | March 21, 2025 | April 7, 2025 | ||
