Ultra-thin Smart Ring: Ultra-thin and comfortable design
Meet the Ultra-thin Smart Ring – it's like having a personal trainer, sleep coach, and health guru all wrapped around your finger (literally). Designed for both women and men, this sleek piece of tech is made from top-notch materials that can handle a splash or two, and it's so thin you'll forget you're wearing it. Until it reminds you to move, that is.
What's in it for you? Well, for starters, it keeps an eye on your heart rate around the clock – no breaks, no excuses. It also plays detective with your sleep, breaking down your nightly adventures (or misadventures) into detailed reports. And let's not forget the automatic activity tracking; whether you're counting steps, calories, or distance, this ring's got your back. Ladies, it even has a special feature to track periods and ovulation, because, well, life's complicated enough. Oh, and for the tech-savvy, there's air gesture control – wave your hand like a wizard to control devices remotely. No wand required.
Best part? No sneaky subscription fees, and the battery lasts up to 7 days. Whether it's a birthday, anniversary, or just because, this ring is a gift that keeps on giving (and tracking).
- 24/7 heart rate monitoring
- Precision sleep tracking
- Activity and fitness tracking
- Women's health and air gestures
- No app fee and long battery life
- Ultra-thin and comfortable design
General specs
- Seller: Amazon
- Waterproof: Yes
- Battery Life: Up to 7 days
- Compatibility: iOS, Android
- Charging: Wireless
- Material: High-quality materials
- First listed by seller: 6/6/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
Comparison with similar products
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Ultra-thin Smart Ring Ultra-thin and comfortable design
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Smart Health Tracker Ring Ultra-thin and lightweight design
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Smart Health Tracker Ring Ultra-thin and lightweight design
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Smart Health Tracker Ring Ultra-thin and lightweight design
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| Brand | Mirlray | Mirlray | Mirlray | Mirlray | Mirlray | |
| Model | ||||||
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| Price | $79.98 | $29.99 | $39.99 | $39.99 | $39.99 | $37.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 27, 2025 | June 27, 2025 | August 5, 2025 | August 5, 2025 | June 28, 2025 | July 17, 2025 |
| package_dimensions | 3.15 x 3.11 x 1.06 inches | 2.95 x 2.95 x 1.18 inches | 2.95 x 2.95 x 1.18 inches | 2.95 x 2.95 x 1.18 inches | 2.95 x 2.95 x 1.18 inches | |
| item_weight | 1.76 ounces | 2.24 ounces | 2.24 ounces | 2.24 ounces | 2.24 ounces | |
| batteries | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 A batteries required. (included) | |
| date_first_available | March 3, 2025 | July 10, 2025 | July 10, 2025 | May 21, 2025 | June 5, 2025 | |
| country_of_origin | China | China | China | |||
Ultra-thin Smart Ring
Lauren T.
Chicago, IL
June 9, 2025
Before I got this ring, I was using a basic pedometer and just guessing about my health stuff, but after trying it, it's been a mixed bag. It seemed to track my daily steps and heart rate okay, but when it came to sleep, the details wete hard to understand, and I couldn't get the remote control thing to work at all. As a healthcare worker, I expected more precision, but it fell short. On the bright side, no extra fees and the long battery life are nie, but overall, it's just okay—not great, not terrible. I might keep using it for the basics, but I wouldn't rely on it for serious health insights.
- Pros: I quite liked how thin and light it is, I barely noticed it on my finger, and it seemed to handle water splashes well. The automatic tracking for steps and heart rate was helpful, and the battery lasted a long time witgout needing a charge.
- Cons: The instructions were useless, I couldn't fgure out how to use the hand wave feature, and the sleep reports were confusing. It didn't seem very accurate for my workouts, and the period tracking felt off, which was disappointing.