Hivisuals R-18 Smart Ring with Charging Box: 24-hour heart rate monitoring
Meet the Hivisuals Smart Ring—your new 24/7 health buddy that's as stylish as it is smart. This tiny powerhouse doesn't just sit pretty on your finger; it keeps tabs on your heart rate, blood oxygen, and even counts your steps (because who's counting, right?). And yeah, it shoots all that juicy data straight to your phone, no strings attached.
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.
Features
- Blood oxygen tracking
- Multiple sports modes
- Sleep quality analysis
- Fast charging with portable case
- Lightweight and ergonomic design
- 24-hour heart rate monitoring
General specs
- Brand: Hivisuals
- Model: R-18
- Seller: Amazon
- ID: B0F4QVTN23
- 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
- First listed by seller: 7/17/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
Shipping options
United States
Comparison with similar products
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| Brand | Hivisuals | Hivisuals | HitTopss | Melilinkcn | Generic | MUNBYN |
| Model | R-18 | R18 | ||||
| Color | ||||||
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| Price | $36.99 | $43.99 | $29.99 | $29.99 | $29.99 | $69.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | November 9, 2025 | November 10, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| package_dimensions | 3.03 x 3.03 x 1.85 inches | 3.07 x 2.91 x 1.73 inches | 3.1 x 2.8 x 1.97 inches | |||
| item_weight | 3.2 ounces | 2.89 ounces | 3.2 ounces | |||
| batteries | 1 AA batteries required. | 1 Lithium Polymer batteries required. (included) | Nonstandard Battery batteries required. | |||
| date_first_available | December 25, 2024 | April 21, 2025 | June 26, 2025 | |||