---
product_id: 75206058
title: "New RFID Wristbands EM4100 125KHZ Silicone bracelet black adjustable"
brand: "yarongtech"
price: "€ 18.15"
currency: EUR
in_stock: true
reviews_count: 7
url: https://www.desertcart.com.cy/products/75206058-new-rfid-wristbands-em4100-125khz-silicone-bracelet-black-adjustable
store_origin: CY
region: Cyprus
---

# 125kHz EM4100 chip frequency Read-only, tamper-proof UID Adjustable silicone fit New RFID Wristbands EM4100 125KHZ Silicone bracelet black adjustable

**Brand:** yarongtech
**Price:** € 18.15
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock effortless security with style — don’t get left behind!

## Quick Answers

- **What is this?** New RFID Wristbands EM4100 125KHZ Silicone bracelet black adjustable by yarongtech
- **How much does it cost?** € 18.15 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/75206058-new-rfid-wristbands-em4100-125khz-silicone-bracelet-black-adjustable)

## Best For

- yarongtech enthusiasts

## Why This Product

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

## Key Features

- • **Customizable Comfort:** Flexible silicone material with adjustable sizing fits all-day wear effortlessly
- • **Tamper-Proof Security:** Read-only UID guarantees unique, unchangeable identification for peace of mind
- • **Seamless Access Control:** 125kHz EM4100 chip ensures reliable, fast scanning every time
- • **Sleek & Professional Design:** Minimalist black wristband with optional logo printing for a polished look
- • **Brand Authenticity Guaranteed:** YARONGTECH branded packaging ensures you’re getting genuine quality

## Overview

These New RFID Wristbands feature a 125kHz EM4100 read-only chip with a unique, unchangeable ID, housed in durable, adjustable black silicone. Perfect for secure access control, they come branded by YARONGTECH and offer optional logo customization, combining functionality with sleek professional aesthetics.

## Description

1.EM4100 Chip 2.125khz 3.Black wristbands with white square 4.silicone material 5.read only,can't rewritable. 6.adjustable size

## Features

- 125khz EM4100 Chip,Read Only,can't rewritable,If you need rewritable cards,please contact with us
- All the chip has pre-programmed with Unique ID number,but UID can't change
- it's normal 125khz id chip,not H ID Chip,so it can work with H ID reader
- All the Package has YARONGTECH Brand sticker to make sure you buy our brand wristbands
- silicone material,adjustable size,logo printing is optional

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Age range | Adult |
| Color | Black-2pcs |
| Size | [Adjustable] |
| Style | Adjustable,Unique |
| Shape | Square |
| Material type | Silicone |
| Number of items | 2 |
| Batteries included? | No |
| Brand | YARONGTECH |
| Manufacturer | YARONGTECH |
| Package Dimensions | 7.8 x 5.6 x 2.4 cm; 80 g |
| ASIN | B07F1V3SDX |

## Product Details

- **Material:** Silicone
- **Colour:** Black-2pcs
- **Brand:** YARONGTECH
- **Style:** Adjustable,Unique
- **Age range (description):** Adult

## Images

![New RFID Wristbands EM4100 125KHZ Silicone bracelet black adjustable - Image 1](https://m.media-amazon.com/images/I/517w2oRmIGL.jpg)

## Available Options

This product comes in different **Colour Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ super
*by R***K on 18 December 2020*

excellent

### ⭐ Did not serve the purpose
*by A***R on 20 February 2022*

Useless

### ⭐⭐⭐⭐⭐ Brilliant
*by D***E on 25 November 2018*

Brilliant. Better than fobs for reliablility

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**Shop now:** [https://www.desertcart.com.cy/products/75206058-new-rfid-wristbands-em4100-125khz-silicone-bracelet-black-adjustable](https://www.desertcart.com.cy/products/75206058-new-rfid-wristbands-em4100-125khz-silicone-bracelet-black-adjustable)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-06*