---
product_id: 135974939
title: "NFC Ring OPN BLACK - The original Programmable SmartRing for NFC Enable Device"
brand: "brand: nfc ring"
price: "€ 137.63"
currency: EUR
in_stock: false
url: https://www.desertcart.pt/products/135974939-nfc-ring-opn-black-the-original-programmable-smartring-for-nfc
store_origin: PT
region: Portugal
---

# NFC Ring OPN BLACK - The original Programmable SmartRing for NFC Enable Device

**Brand:** brand: nfc ring
**Price:** € 137.63
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** NFC Ring OPN BLACK - The original Programmable SmartRing for NFC Enable Device by brand: nfc ring
- **How much does it cost?** € 137.63 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/135974939-nfc-ring-opn-black-the-original-programmable-smartring-for-nfc)

## Best For

- brand: nfc ring enthusiasts

## Why This Product

- Trusted brand: nfc ring brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Our new NFC Ring is the perfect balance between simplification of usage and well, looking awesome. OPN contains our updated antenna design, which provides an amazing operating range, simplification of usage (works in multiple orientations) and enhanced compatibility with many devices and digital door locks on the market. OPN is the closest thing you can have to a magic wand. This ring has a single NXP NTAG216 IC. Material: Scratch Resistant Advanced Ceramics Storage: 1Kb

## Features

- Lock and unlock your door
- Control Applications
- Water Resistant and No charging required

## Images

![NFC Ring OPN BLACK - The original Programmable SmartRing for NFC Enable Device - Image 1](https://images-na.ssl-images-amazon.com/images/I/413LzT80XrL.jpg)
![NFC Ring OPN BLACK - The original Programmable SmartRing for NFC Enable Device - Image 2](https://images-na.ssl-images-amazon.com/images/I/41IZfuHYKTL.jpg)

---

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**Shop now:** [https://www.desertcart.pt/products/135974939-nfc-ring-opn-black-the-original-programmable-smartring-for-nfc](https://www.desertcart.pt/products/135974939-nfc-ring-opn-black-the-original-programmable-smartring-for-nfc)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-23*