Hivisuals R-18 Smart Ring with Charging Box: 24-hour heart rate monitoring
Whether you're running like you're late for a meeting, hiking like you're on a quest, or biking like the wind, this ring's got your back with auto-tracking for all those sweaty endeavors. Plus, it's so light (just 3.4g!) you'll forget it's there—until it starts dishing out sleep stats that'll make your mattress jealous. Charge it up in a flash, and it'll keep going for 7-10 days, no sweat. Works with Android 6.0 and iOS 10.0 or up, making it the ultimate wingman for your fitness saga.
General specs
- Brand: Hivisuals
- Model: R-18
- Seller: Amazon
- package_dimensions: 3.03 x 3.03 x 1.85 inches
- item_weight: 3.2 ounces
- batteries: 1 AA batteries required.
- memory_storage_capacity: 10 MB
- waterproof: IP68
- compatibility: Android 6.0, iOS 10.0 or above
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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$45.99
Last price update: 7/20/25
Available to order
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Delivery to 
United States
United States
Available
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Hivisuals R-18 24-hour heart rate monitoring
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Hivisuals R18 24-hour heart rate monitoring
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Hivisuals R-18 24-hour heart rate monitoring
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Hivisuals R-18 24-hour heart rate monitoring
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Hivisuals R18 24-hour heart rate monitoring
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Hivisuals R18 24-hour heart rate monitoring
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| Brand | Hivisuals | Hivisuals | Hivisuals | Hivisuals | Hivisuals | Hivisuals |
| Model | R-18 | R18 | R-18 | R-18 | R18 | R18 |
| Color | ||||||
| Rating |
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| Price | $45.99 | $45.99 | $59.99 | $59.99 | $45.99 | $45.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 20, 2025 | June 27, 2025 | June 28, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 |
| package_dimensions | 3.03 x 3.03 x 1.85 inches | 3.15 x 3.15 x 2.6 inches | 3.15 x 3.15 x 2.6 inches | 3.15 x 3.15 x 1 inches | ||
| item_weight | 3.2 ounces | 0.1 Kilograms | 0.1 Kilograms | 0.1 Kilograms | ||
| batteries | 1 AA batteries required. | 1 AA batteries required. | 1 AA batteries required. | 1 AA batteries required. (included) | ||
| memory_storage_capacity | 10 MB | 10 MB | 10 MB | 10 MB | ||
| standing_screen_display_size | 1 Millimeters | 1 Millimeters | 1 Centimeters | |||
Smart Ring with Charging Box
$45.99
Reviews
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