---
product_id: 75991348
title: "Retekess TR503 Wireless FM Microphone Headset(Black)"
brand: "retekess"
price: "S$50"
currency: SGD
in_stock: true
reviews_count: 8
category: "Retekess"
url: https://www.desertcart.sg/products/75991348-retekess-tr503-wireless-fm-microphone-headset-black
store_origin: SG
region: Singapore
---

# 15-level volume control 30m wireless range 450mAh rechargeable battery Retekess TR503 Wireless FM Microphone Headset(Black)

**Brand:** retekess
**Price:** S$50
**Availability:** ✅ In Stock

## Summary

> 🎙️ Own the room, wire-free and worry-free!

## Quick Answers

- **What is this?** Retekess TR503 Wireless FM Microphone Headset(Black) by retekess
- **How much does it cost?** S$50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/75991348-retekess-tr503-wireless-fm-microphone-headset-black)

## Best For

- retekess enthusiasts

## Why This Product

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

## Key Features

- • **Featherlight Comfort:** At just 50g, wear it all day without fatigue—perfect for long meetings or tours.
- • **Plug & Play Simplicity:** Instant FM frequency pairing means you’re ready to amplify your voice in seconds.
- • **Power Through Your Day:** Built-in 450mAh lithium battery keeps you going with reliable rechargeability.
- • **Precision Voice Control:** 15 adjustable volume levels for crystal-clear sound tailored to your environment.
- • **Seamless 30m Wireless Freedom:** Move and speak confidently without being tethered by cables.

## Overview

The Retekess TR503 is a sleek, lightweight wireless FM microphone headset designed for professionals who demand mobility and clarity. With a 30-meter transmission range, 15-level volume adjustment, and a rechargeable 450mAh lithium battery, it’s ideal for conferences, tours, teaching, and more. Its easy FM frequency pairing and unidirectional mic ensure your voice is heard loud and clear, making it a must-have for dynamic presentations and hands-free communication.

## Description

desertcart.com: Retekess TR503 Wireless FM Microphone Headset(Black) | for Church, Tour Guide, Teacher, Salesman, Conference, Karaoke, Hands-Free, Rechargeable Battery, Voice Amplifier Compatible : Musical Instruments

Review: Works great! - I’m a guide in a sprinter van with 14 guests. This works great! Simple, travels well! Just charge it each night to assure I don’t run out of power!
Review: Gets job done - This functional and affordable piece is a life saver for working as an Interpreter. I pair it to multiple receivers and it allows me to convey the message being sent to different parties, yet, staying at a comfortable distance without having to be loud. I love it!

## Features

- Long transmission distance; The transmission distance of 30m(98ft) in the open air; Easy to use for school; speech; training; conference etc
- Sensitive microphone; 15 levels of transmit volume adjustable; only a portable headset FM transmitter; cannot connect to the device via Bluetooth
- Built-in lithium battery; The TR503 FM transmitter built-in 450mAh lithium battery
- show frequency; simply pair the FM microphone to the speaker with the same frequency and you are ready to go
- Lightweight and easy to wear; The TR503 FM transmitter only 50g; easy to wear and operate

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07D5TVTT6 |
| Antenna Location | Conference |
| Audible Noise | 60 db |
| Best Sellers Rank | #15,998 in Musical Instruments ( See Top 100 in Musical Instruments ) #74 in Wireless Headset Microphones & Systems |
| Brand | Retekess |
| Built-In Media | Built-In Mic |
| Color | Black |
| Compatible Devices | Amplifier, Headphone |
| Connectivity Technology | Wireless |
| Connector Type | Wireless |
| Customer Reviews | 4.3 out of 5 stars 104 Reviews |
| Enclosure Material | Acrylonitrile Butadiene Styrene |
| Frequency Range | 87.9-91.9Mhz |
| Frequency Response | 15 KHz |
| Hardware Platform | Karaoke Machine |
| Item Dimensions | 7.87 x 5.91 x 1.18 inches |
| Item Weight | 50 g |
| Manufacturer | Retekess |
| Mfr Part Number | FY4430A |
| Microphone Form Factor | Headset |
| Model Name | TR503 |
| Model Number | FY4430A |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Number of Channels | 1 |
| Polar Pattern | Unidirectional |
| Power Source | Battery Powered |
| Recommended Uses For Product | Conference |
| Signal-to-Noise Ratio | 60 db |
| Special Feature | Bluetooth, Lightweight, Rechargeable, Wireless |
| UPC | 609378746666 |
| Warranty Description | Simple and Convenient return process: We provide 1 year warranty and 30 days no reason to return. |

## Product Details

- **Brand:** Retekess
- **Color:** Black
- **Compatible Devices:** Amplifier, Headphone
- **Connectivity Technology:** Wireless
- **Connector Type:** Wireless
- **Included Components:** Built-In Mic
- **Model Name:** TR503
- **Polar Pattern:** Unidirectional
- **Recommended Uses For Product:** Conference
- **Special Feature:** Bluetooth, Lightweight, Rechargeable, Wireless

## Images

![Retekess TR503 Wireless FM Microphone Headset(Black) - Image 1](https://m.media-amazon.com/images/I/51zLNrRKd7L.jpg)
![Retekess TR503 Wireless FM Microphone Headset(Black) - Image 2](https://m.media-amazon.com/images/I/61VxZM0OoAL.jpg)
![Retekess TR503 Wireless FM Microphone Headset(Black) - Image 3](https://m.media-amazon.com/images/I/61HdKNFAw7L.jpg)
![Retekess TR503 Wireless FM Microphone Headset(Black) - Image 4](https://m.media-amazon.com/images/I/61n7MxvR2IL.jpg)
![Retekess TR503 Wireless FM Microphone Headset(Black) - Image 5](https://m.media-amazon.com/images/I/511QF0Grr5L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great!
*by K***N on December 29, 2025*

I’m a guide in a sprinter van with 14 guests. This works great! Simple, travels well! Just charge it each night to assure I don’t run out of power!

### ⭐⭐⭐⭐⭐ Gets job done
*by M***. on October 25, 2024*

This functional and affordable piece is a life saver for working as an Interpreter. I pair it to multiple receivers and it allows me to convey the message being sent to different parties, yet, staying at a comfortable distance without having to be loud. I love it!

### ⭐⭐⭐⭐ It didn’t break it worked really good 👍
*by C***D on October 28, 2024*

It took a second for me too figure it out, but then when I figured it out, it works perfect. It’s a really good product I suggest this product 👍

## Frequently Bought Together

- Retekess TR503 Wireless FM Microphone Headset, Hands-Free with Rechargeable Battery for Voice Amplifier, Church, Tour Guide, Teacher, Salesman, Conference, Karaoke (Black)
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**Shop now:** [https://www.desertcart.sg/products/75991348-retekess-tr503-wireless-fm-microphone-headset-black](https://www.desertcart.sg/products/75991348-retekess-tr503-wireless-fm-microphone-headset-black)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-26*