Delcast fad399c2-a5ac-49e6-8268-2aa5039cffda Smart Ring Fitness Tracker: Tracks heart rate and sleep
For the busy professional or parent who wants to track health without the bulk of a smartwatch, the Delcast Smart Ring offers a discreet way to monitor your activity, sleep, and heart rate throughout the day. It’s perfect for keeping tabs on your fitness during a hectic workday or ensuring you’re getting enough rest at night, all while looking like a simple piece of jewelry.
Unlike other fitness trackers that focus only on steps, this smart ring provides a holistic view of your well-being. The heart rate monitor is sensitive enough to detect subtle changes during stress, and the sleep tracking gives you clear insights into your nightly patterns. You can wear it comfortably all day and even in the shower thanks to its waterproof design, so you never miss a beat.
With long battery life and easy syncing to your phone via the ECTRI app, you get actionable data to improve your health. It’s a practical tool for anyone serious about wellness, blending seamlessly into your daily routine without extra hassle.
Features
- IP68 waterproof up to 328ft
- Long battery life 3-5 days
- Gesture control for media
- Lightweight and comfortable design
- Multiple exercise modes supported
- Tracks heart rate and sleep
General specs
- Brand: Delcast
- Model: fad399c2-a5ac-49e6-8268-2aa5039cffda
- Seller: Amazon
- ID: B0F2H7WS28
- Size: 9
- Material: Stainless Steel
- Charging Method: Wireless
- Water Resistance: IP68
- First listed by seller: 5/29/25
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
| Date | Price |
|---|---|
| 11/9/25 | $29.99 |
| 5/29/25 | $55.99 |
Shipping options
United States
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| Brand | Delcast | YOUKUI | Mirlray | MZJ | Mirlray | Qjijolz |
| Model | fad399c2-a5ac-49e6-8268-2aa5039cffda | 756371827424 | M-050819-ZH | 756371827400 | R5 | |
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| Price | $29.99 | $21.59 | $39.99 | $55.99 | $39.99 | $39.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Dec 6, 2025 | Jun 27, 2025 | Dec 6, 2025 | Nov 10, 2025 | Dec 6, 2025 | Dec 6, 2025 |
| Size | 9 | 13 | 10 | |||
| Material | Stainless Steel | Titanium | Titanium | Stainless Steel | ||
| Water Resistance | IP68 | 10ATM | 10ATM | IP68 | ||
| Battery Life | 5 d | 5 d | 5–7 d, 7–10 d | |||
