# Tidesmit RFID Smart Ceramic Prayer Ring NFC Access Control

## Unlock Your World With One Simple Gesture

**Tidesmit RFID Smart Ceramic Ring** is a **smart prayer ring** designed for **modern professionals and tech-enthusiasts**. This wearable device replaces bulky security tokens with a sleek, minimalist ceramic design for instant access.

## The Problem We Solve

Fumbling for physical keycards or heavy keychains causes daily frustration and delays. Tidesmit resolves this by acting as a **wearable RFID tag** for secure, keyless entry.

## Why You Need It

-   **NFC Technology:** Experience seamless **electronic access control** with a simple wave of your hand.
-   **5ATM Waterproof:** Built for durability, this **waterproof digital ring** survives depths up to 50 meters.
-   **Premium Ceramic:** Enjoy a lightweight, scratch-resistant finish that feels natural during prayer or activity.
-   **Health Integration:** Track daily movement using the built-in **smart activity monitor** functionality.
-   **Universal Compatibility:** Works as a versatile **contactless access device** for homes, offices, and compatible locks.

### Technical Specifications

-   Material: High-strength hypoallergenic ceramic
-   Connectivity: Integrated NFC and RFID chip
-   Waterproof Rating: 5ATM (50 meters)
-   Compatibility: Standard 13.56MHz RFID readers

Upgrade to the future of **ceramic wearable tech** and order your Tidesmit ring today to simplify your daily security routine.

## Details

- **Price:** 40.04 EUR - 40.16 EUR
- **Vendor:** Tidesmit
- **Type:** Smart Prayer Ring
- **Tags:** Activity Monitors, biometric security ring, ceramic wearable tech, contactless access device, electronic access control, health tracking ring, keyless entry ring, nfc smart ring, smart activity monitor, waterproof digital ring, wearable rfid tag

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| SIZE US 9 | 40.06 EUR | In stock |
| SIZE US 8 | 40.06 EUR | In stock |
| SIZE US 7 | 40.05 EUR | In stock |
| SIZE US 6 | 40.04 EUR | In stock |
| SIZE US 12 | 40.06 EUR | In stock |
| SIZE US 11 | 40.16 EUR | In stock |
| SIZE US 10 | 40.06 EUR | In stock |

## Images

- Black ceramic smart ring with smooth glossy finish, sleek band profile
- Black ceramic RFID smart ring, slim glossy band with dark interior
- Hand wearing a black smart ring near a door access panel for tap entry
- Black ceramic smart ring on finger with glossy finish
- Smart ring size guide diagram showing finger sizing for ceramic RFID rings
- Two black ceramic smart rings, polished glossy bands
- Black glossy smart ceramic ring in angled view with smooth outer edge
- Black ceramic RFID smart ring shown with slim profile and glossy surface
- Close view of black smart ring used for check-in access at a door reader
- Hand with black smart ring on finger, smooth glossy ceramic band

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> Source: [Tidesmit](https://tidesmit.com/products/t5577-chip-rewritable-rfid-smart-ceramic-ring-for-clone-tk4100-em4100-access-control-and-hotel-entry-door-keycards-readers)
> Updated: 2026-08-29