3d printing machine Smart Wear Finger Digital Ring Smart 11 Smart NFC Ring: Waterproof design
Available Options

Meet the Smart NFC Ring—your new favorite piece of tech jewelry that's as stylish as it is smart. Imagine tapping your ring to pay for coffee, unlock your door, or even share your contact info without fumbling for your phone. Thanks to NFC tech, it's all possible, and yeah, it's waterproof too (because life happens). Whether you're a gadget guru or just someone who loves a good life hack, this ring's got your back—or rather, your finger.
Why you'll love it:
- Pair devices faster than you can say 'Bluetooth'
- Keeps things secure without the hassle (no more forgotten passwords)
- Designed to look good and feel even better—forget you're wearing it until you need it
- Multifunctional use
- NFC technology
- Digital connectivity
- Waterproof design
General specs
- Brand: 3d printing machine
- Model: Smart Wear Finger Digital Ring Smart 11
- Seller: Joom
- Waterproof: Yes
- Technology: NFC
- First listed by seller: 5/30/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Comparison with similar products
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![]() Waterproof Smart NFC Ring Waterproof design
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Brand | 3d printing machine | 3d printing machine | 3d printing machine | Liuun369 | Bomu | ananshun |
Model | Smart Wear Finger Digital Ring Smart 11 | Smart Wear Finger Digital Ring | Smart 8 | |||
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Rating |
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Price | $8.07 | $8.00 | $8.07 | $5.67 | $5.71 | $5.80 |
Seller | Joom | Joom | Joom | Joom | Joom | Joom |
Update | August 26, 2025 | August 29, 2025 | August 29, 2025 | August 20, 2025 | August 20, 2025 | September 2, 2025 |
Waterproof | Yes | Yes | Yes | Yes | Yes | Yes |
Technology | NFC | NFC | NFC | NFC | NFC | |
Compatibility | NFC-enabled devices | NFC-enabled devices | Android | Android phones |
Elisa M.
Lille
June 13, 2025
As an engineer with a pragmatic approach, I bought this for myself to streamline things around the house and when out with the family. I've been using it for a couple of months now, and it's been fairly handy—tapping to pay for groceries or unlock the door saves me from digging through my bag. But it's not perfect; sometimes it doesn't respond on the first try, which can be frustrating, especially when I'm in a hurry. I appreciate that it's waterproof, as I've worn it in the rain without issues, but I worry about long-term wear and tear. Overall, it's a clever gadget that adds a bit of ease to my routine, though it could use some refinements to be truly reliable.
- Pros: I fairly like how this ring from 3d printing machine makes daily tasks simpler; tapping to pay or unlock things feels convenient, and it pairs with devices quickly. It's designed to be subtle and comfortable, so I often forget I'm wearing it until I need it, and the waterproof aspect is a nice touch for peace of mind.
- Cons: From what I feel, there are issues that are fixable, such as occasional pairing hiccups that require retries, and the ring doesn't always work seamlessly with all my devices. The design, while stylish, could be more durable for everyday wear, and I've noticed it might not hold up well to heavy use over time.