ElectroCN Light-Powered Smart Ring with NFC and Temperature Display: Light-powered with no battery needed for NFC
This smart ring is for the tech-savvy professional who wants seamless, hands-free access to daily tasks. Imagine unlocking your office door or sharing a business card with a simple tap of your finger, without fumbling for keys or cards.
It offers more than just convenience; it's a discreet tool for modern living. The light-powered design means you never worry about charging, and the temperature display subtly changes color to keep you informed. You can feel the smooth, hypoallergenic ceramic against your skin, comfortable enough for all-day wear. Use it for contactless payments, access control, or smart home integration, making your routine smoother and more efficient.
Features
- IP68 waterproof rating up to 164 feet depth
- Temperature display via color-changing numerals
- Temperature range: -22°F to 194°F
- Ceramic material construction with hypoallergenic properties
- Compatible with multiple NFC chip standards for versatile use
- Light-powered with no battery needed for NFC
General specs
- Brand: ElectroCN
- Seller: Joom
- ID: 6919f79f3926000139456f57
- Connectivity: NFC
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Video Reviews
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| Brand | ElectroCN | JAKCOM | Qjijolz | UniJethro | Samsung | Samsung |
| Model | R5 | R5 | SR11M | SM-Q507NZKAXAR | SM-Q514NZSAXAR | |
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| Price | $10.94 | $29.90 | $39.99 | $39.99 | $399.99 | $399.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 16, 2025 | December 6, 2025 | June 27, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| Battery Life | 5-7 d | 5–7 d | 7 d | 7 d | ||
| OS Compatibility | iOS, Android | Android | Android | |||
| Water Resistance | IP68 | IP68 | IP68 | IP68 | ||
| Size | 7 | 7 | 14 | |||
