CXJ 830 Smart NFC Ring: NFC read-write function
This smart NFC ring is for the tech-savvy user who wants to simplify daily tasks, like quickly sharing a social media profile or making contactless payments with a tap. It goes beyond basic functionality to offer a discreet, wearable tool that keeps your digital life accessible without fumbling for your phone.
Made from durable stainless steel and rated IP68 waterproof, it withstands daily wear, from workouts to sudden rain. The NFC chip reliably reads from 1-3 cm away, so you can unlock doors or board transit smoothly. Customize it with a logo for a personal touch that makes gifting meaningful for graduations or holidays.
Features
- IP68 waterproof rating
- Stainless steel construction
- Customizable logo support
- Unisex design for all occasions
- NFC read-write function
General specs
- Brand: CXJ
- Model: 830
- Seller: Joom
- ID: 68cc32bb7174b601a0d0c471
- Material: Stainless Steel
- Connectivity: NFC
- OS Compatibility: Android
- First listed by seller: 11/15/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$6.86
Last price update: 11/15/25
Out of stock
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
CXJ 830 Black NFC read-write function
|
JAKCOM R5 Build-in 13.56MHz and 125kHz RFID cards
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itapring N-Ring-001 Black Tap to share contact info
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Qjijolz R5 Multi Real-time heart rate and blood oxygen monitoring
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itapring N-Ring-001 Black No app required for others
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hecere T5577
|
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| Brand | CXJ | JAKCOM | itapring | Qjijolz | itapring | hecere |
| Model | 830 | R5 | N-Ring-001 | R5 | N-Ring-001 | T5577 |
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| Price | $6.86 | $35.00 | $39.99 | $39.99 | $39.99 | $29.80 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | November 18, 2025 | November 9, 2025 | November 9, 2025 | June 27, 2025 | November 9, 2025 | November 9, 2025 |
| Material | Stainless Steel | Tungsten Steel | Tungsten Steel | |||
| Connectivity | NFC | NFC | NFC | |||
| OS Compatibility | Android | iOS, Android | iOS, Android | iOS, Android | ||
Smart NFC Ring
$6.86
Reviews
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