---
product_id: 74292505
title: "HFeng 125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10)"
brand: "hfeng"
price: "€ 15.78"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/74292505-hfeng-125khz-t5577-em4305-writable-rfid-keychains-nfc-token-tags
store_origin: PT
region: Portugal
---

# Waterproof ABS material Read & writable chip 125KHz secure frequency HFeng 125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10)

**Brand:** hfeng
**Price:** € 15.78
**Availability:** ✅ In Stock

## Summary

> 🔐 Elevate your security game with smart, stylish access control

## Quick Answers

- **What is this?** HFeng 125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10) by hfeng
- **How much does it cost?** € 15.78 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/74292505-hfeng-125khz-t5577-em4305-writable-rfid-keychains-nfc-token-tags)

## Best For

- hfeng enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Ready:** Pack of 10 ensures your entire team stays connected and secure
- • **Sleek & Portable:** Lightweight blue keyfobs with polished finish and metal keyring
- • **Durable & Waterproof:** Crafted from ABS material to withstand daily wear and weather
- • **Customizable Security:** Writable T5577/EM4305 chip lets you personalize access
- • **Seamless Access Control:** Unlock your space with precision at 125KHz frequency

## Overview

This pack of 10 blue RFID keychains features durable, waterproof ABS construction and a versatile T5577/EM4305 chip operating at 125KHz. Each keyfob supports both reading and writing functions, ideal for customizable proximity ID and access control in offices, apartments, and parks. Lightweight and polished with metal keyrings, these keyfobs combine practicality with sleek design for professional environments.

## Description

125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10)

## Features

- 1. Material: ABS waterproof material. Each keyfob has metal keyring.
- 2. Chip: T5577/EM4305 chip. Support: Read, and writable.
- 3. Working Frequency:125KHz. Reading distance is 0-10cm.
- 4. Widely used at apartment, office, park and other places.
- 5. Each keyfob has metal keyring. Package included: 10 pcs keyfob.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HFeng |
| Part Number | HFeng |
| Product Dimensions | 6.5 x 1.8 x 9.5 cm; 1 g |
| Item model number | T5577KEY |
| Colour | Blue |
| Finish | Polished |
| Material | Acrylonitrile Butadiene Styrene |
| Shape | Rectangular |
| Power Source | With electric cable |
| Installation method | Screw-In |
| Item Package Quantity | 10 |
| Number of Pieces | 10 |
| Special Features | Fob Unlock |
| Included Components | 10 Keyfobs |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1 g |

## Product Details

- **Brand:** HFeng
- **Colour:** Blue
- **Power source:** With electric cable
- **Compatible devices:** 125 kHz RFID Reader
- **Item dimensions L x W x H:** 6.5 x 1.8 x 9.5 centimetres

## Images

![HFeng 125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10) - Image 1](https://m.media-amazon.com/images/I/61x5iO8Rr+L.jpg)

## Frequently Bought Together

- HFeng 125KHz T5577 / EM4305 Writable RFID Key Ring NFC Tags Token Proximity ID Access Control Key Fob Card for Security Entry System Blue (10)
- YARONGTECH MIFARE Classic® 1K fobs 13.56MHZ ISO14443A Access Control Tags (pack of 10)

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**Shop now:** [https://www.desertcart.pt/products/74292505-hfeng-125khz-t5577-em4305-writable-rfid-keychains-nfc-token-tags](https://www.desertcart.pt/products/74292505-hfeng-125khz-t5577-em4305-writable-rfid-keychains-nfc-token-tags)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-23*