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- USA
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
ELF3 1.39 inch TFT Round Screen Outdoor Silicone Strap Smart Watch Supports Blood Oxygen Monitoring1. Bluetooth: Bluetooth LE 5. 0 compatible with 4. 0 2. LCD: 1. 39 inch TFT round screen 3. Resolution: 360x360 4. Touch control: capacitive multi point full touch 5. Charging method: magnetic charging 6. Waterproof level: IP67 7. Battery capacity: 380mAh 8. Supported systems: Android 4. 4 or above, iOS 8. 0 or above 9. Supports Bluetooth music, heart rate, blood oxygen monitoring, sleep monitoring, sedentary reminder and other functions 10. Support
1. Bluetooth: Bluetooth LE 5.0 compatible with 4.02. LCD: 1.39-inch TFT round screen
3. Resolution: 360x360
4. Touch control: capacitive multi-point full touch
5. Charging method: magnetic charging
6. Waterproof level: IP67
7. Battery capacity: 380mAh
8. Supported systems: Android 4.4 or above, iOS 8.0 or above
9. Supports Bluetooth music, heart rate, blood oxygen monitoring, sleep monitoring, sedentary reminder and other functions
10. Support Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Italian, Polish
11. 100+ sports independent modes, real-time monitoring
12. Use advanced heart rate sensor to capture more effective signals
13. Bluetooth high-fidelity calling, one-touch dialing
14. Record your sleep quality and sleep cycle
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1112 reviews
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Product Reviews
★★★★★ 5
I was skeptical, but for me, this one works.
Size: 90 Count (Pack of 1)
I am usually skeptical of these "improve-your-whatever-with-this" products. But much to my surprise, for me this one lives up to the hype. After about a week, there was as noticeable improvement in my overall memory, especially older memories. My recall is faster, I retain things longer, and learn new things more quickly. As a side benefit, I am also now able to quickly find alternative solutions to everyday problems that come up.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
GREAT product!! No complaints at all!
Size: 90 Count (Pack of 1)
So I got this product as an experiment. I don’t like taking prescriptions - but that is just me. I have the most boring job on the planet. And it’s all I can do to make it just through the morning without falling asleep. when I saw this product, I decided to give it a try. I am totally and completely shocked how well this works. It doesn’t make me jittery at all. It just makes me feel alive and alert and ready to roll. And I can focus on the monotonous tasks at my job. When I do take them, I have to take them in the morning. they do last all day - again - this is for me. but I found when I took them in the afternoon, I was still wide awake at 1:00am. Which put a damper on my trying to drag myself out of bed and to work at the most boring job ever.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
good experience so far
Size: 60 Count (Pack of 1)
I’ve been taking Qunol Brain Health for a little while now, and overall I’ve had a good experience with it. What stood out to me first was that it didn’t upset my stomach, which I’ve run into with other supplements. I feel like I’ve noticed a difference in my ability to stay focused during the day, especially when I’m working on tasks that usually make my mind wander. My energy levels also feel a bit steadier, without that late afternoon mental fog.
The capsules are easy to swallow, and I like that it combines several ingredients aimed at supporting memory and concentration rather than having to take them separately. It’s obviously not an overnight miracle, but with consistent use I do feel sharper and more mentally “on.”
The only downside for me is the price—it’s a little higher than some other brain supplements I’ve tried. But considering the quality and how it makes me feel, I think it’s worth it.
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Reviewed in the United States on August 21, 2025
★★★★★ 5
Good product
Size: 60 Count (Pack of 1)
This product seems to help.
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Reviewed in the United States on May 30, 2026
★★★★★ 3
Way too expensive
Size: 90 Count (Pack of 1)
Great product, but Costco is more affordable even when not on sale.
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Reviewed in the United States on May 7, 2026