Delcast Smart Fitness Tracker Ring: Health tracking with heart rate and blood oxygen
Meet the Smart Fitness Tracker Ring—your new favorite piece of jewelry that does way more than just look good. It's like having a personal health coach wrapped around your finger, keeping tabs on everything from your heart rate to how well you're sleeping (or not). And yeah, it even counts those calories you burned while debating whether to hit the gym.
Crafted from epoxy resin and stainless steel, this little marvel is as tough as it is stylish. Rain or shine, swim or shower, it's got you covered with its IP68 waterproof rating. Plus, with battery life that just won't quit and wireless charging, it's the perfect companion for those who are always on the move. Available in sizes 8-12, it's not just a gadget—it's the gift that keeps on giving (health insights, that is).
- Precise sleep monitoring with detailed reports
- IP68 waterproof protection
- Ultra-long battery life with wireless charging
- Comfortable epoxy resin and stainless steel material
- Health tracking with heart rate and blood oxygen
General specs
- Brand: Delcast
- Seller: Amazon
- package_dimensions: 3.5 x 3.5 x 2.75 inches
- item_weight: 4.8 ounces
- customer_reviews: 36 ratings, 5 stars
- date_first_available: March 26, 2025
- country_of_origin: China
- First listed by seller: 5/29/25
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
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Smart Fitness Tracker Ring Health tracking with heart rate and blood oxygen
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| Brand | Delcast | GANSI | Twievo | Hunan Constant Li Electronic Technology Co., Ltd. | KNGAD | Delcast |
| Model | ||||||
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| Rating |
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| Price | $55.99 | $65.99 | $39.99 | $109.99 | $69.98 | $55.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 17, 2025 | June 27, 2025 | July 18, 2025 | June 29, 2025 | June 27, 2025 | July 20, 2025 |
| package_dimensions | 3.5 x 3.5 x 2.75 inches | 3 x 3 x 2 inches | 1 x 1 x 1 inches | 5.52 x 3.47 x 1.14 inches | 3.58 x 3.5 x 1.85 inches | |
| item_weight | 4.8 ounces | 1.6 ounces | 1 Grams | 3.2 ounces | 4.2 ounces | |
| date_first_available | March 26, 2025 | April 19, 2025 | May 21, 2025 | April 17, 2025 | ||
| country_of_origin | China | China | China | |||
| batteries | 1 AAA batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 A batteries required. (included) | 1 AA batteries required | ||
Smart Fitness Tracker Ring
Andrew M.
Denver, CO
June 9, 2025
as a retired guy in denver who likes to stay on top of things, i had high hopes for this delcast ring. i expected it to be a seamless health monitor, but the reality is it's hit or miss. it grew on me over time, but i'm cautious about relying on it fully. for music and concerts, it's okay, but not perfect. could be wrong, but it feels like it could be better.
- Pros: i liked that it looks nice and feels sturdy, almost like a regular ring, and it's fairly easy to charge without any cords. the battery lasts a good while, and it's handy for checking my heart rate during walks.
- Cons: it doesn't always track things accurately, especially when i'm moving a lot or sleeping, and the size options were a bit limited for my finger. the app can be glitchy at times, making it hard to trust the data it gives.