Kalaxy47 SR-2025 Smart Ring with Charging Case: 24/7 health monitoring
Here's the lowdown: it's got your back (or rather, your finger) with round-the-clock heart rate and SpO2 tracking. Ladies, it even keeps an eye on menstrual cycles—because who remembers to log that stuff? Sleep like a baby? More like sleep like a scientist, thanks to its 92% accurate sleep analysis. And with a battery that lasts 5 days (plus a Qi-enabled case that juices it up 15 extra times), you're set for the long haul.
Love a good swim or just can't be bothered to take it off in the shower? No sweat—it's IP68 waterproof. And for the fitness buffs, it auto-records your steps, calories, and even supports 8 sports modes. Plus, with free digital sizing, it's like Cinderella's slipper but for your finger—minus the whole glass part.
General specs
- Brand: Kalaxy47
- Model: SR-2025
- Seller: Amazon
- package_dimensions: 3.54 x 3.54 x 1.57 inches
- item_weight: 7 ounces
- batteries: 1 A batteries required. (included)
- date_first_available: July 6, 2025
- country_of_origin: China
- standing_screen_display_size: 0.1 Inches
- memory_storage_capacity: 128 MB
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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Kalaxy47 SR-2025 24/7 health monitoring
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Smart Health Tracker Ring 24/7 health monitoring (HR/SpO2/BP)
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| Brand | Kalaxy47 | ZMSTLAMP | Delcast | Melilinkcn | SSDTH | SSDTH |
| Model | SR-2025 | III | III | |||
| Color | ||||||
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| Price | $49.99 | $49.99 | $55.99 | $55.98 | $59.99 | $59.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 18, 2025 | June 27, 2025 | July 19, 2025 | June 27, 2025 | June 28, 2025 | June 27, 2025 |
| package_dimensions | 3.54 x 3.54 x 1.57 inches | 4.7 x 4.3 x 2.1 inches | 3.58 x 3.54 x 1.93 inches | 3.15 x 3.15 x 1.18 inches | 3.15 x 3.15 x 1.18 inches | |
| item_weight | 7 ounces | 3.52 ounces | 4.6 ounces | 3.04 ounces | 3.04 ounces | |
| batteries | 1 A batteries required. (included) | 1 12V batteries required. (included) | 1 12V batteries required. (included) | |||
| date_first_available | July 6, 2025 | December 9, 2024 | March 26, 2025 | May 8, 2025 | May 8, 2025 | |
| country_of_origin | China | China | China | China | China | |