---
product_id: 75991348
title: "Retekess TR503 Wireless FM Microphone Headset, Hands-Free with Rechargeable Battery for Voice Amplifier, Church, Tour Guide, Teacher, Salesman, Conference, Karaoke (Black)"
brand: "retekess"
price: "6813 kr"
currency: ISK
in_stock: true
category: "Retekess"
url: https://www.desertcart.is/products/75991348-retekess-tr503-wireless-fm-microphone-headset-hands-free-with-rechargeable
store_origin: IS
region: Iceland
---

# 15-level volume control 30m wireless range 450mAh rechargeable battery Retekess TR503 Wireless FM Microphone Headset, Hands-Free with Rechargeable Battery for Voice Amplifier, Church, Tour Guide, Teacher, Salesman, Conference, Karaoke (Black)

**Brand:** retekess
**Price:** 6813 kr
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Retekess TR503 Wireless FM Microphone Headset, Hands-Free with Rechargeable Battery for Voice Amplifier, Church, Tour Guide, Teacher, Salesman, Conference, Karaoke (Black) by retekess
- **How much does it cost?** 6813 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/75991348-retekess-tr503-wireless-fm-microphone-headset-hands-free-with-rechargeable)

## 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

- • **Instant FM Pairing:** Quickly sync with any FM speaker—no Bluetooth hassle, just pure plug-and-play simplicity.
- • **Precision Audio Control:** 15 adjustable volume levels ensure your voice is always crystal clear and perfectly balanced.
- • **Featherlight Comfort at 50g:** Wear it all day without fatigue—designed for busy professionals on the go.
- • **Power-Packed 450mAh Battery:** Stay unplugged longer with a rechargeable battery designed for all-day use.
- • **Seamless 30m Wireless Freedom:** Move and speak without limits—perfect for dynamic presentations and tours.

## Overview

The Retekess TR503 is a sleek, lightweight wireless FM microphone headset featuring a 30-meter transmission range, a rechargeable 450mAh lithium battery, and 15 levels of volume control. Designed for professionals in education, sales, and events, it offers hands-free convenience and easy FM frequency pairing for seamless voice amplification without Bluetooth dependency.

## Description

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

## 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 Decibels |
| Best Sellers Rank | #32,883 in Musical Instruments ( See Top 100 in Musical Instruments ) #155 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 4.3 out of 5 stars (104) |
| 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 Grams |
| 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 |
| 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, Hands-Free with Rechargeable Battery for Voice Amplifier, Church, Tour Guide, Teacher, Salesman, Conference, Karaoke (Black) - Image 1](https://m.media-amazon.com/images/I/51zLNrRKd7L.jpg)

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**Shop now:** [https://www.desertcart.is/products/75991348-retekess-tr503-wireless-fm-microphone-headset-hands-free-with-rechargeable](https://www.desertcart.is/products/75991348-retekess-tr503-wireless-fm-microphone-headset-hands-free-with-rechargeable)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-07-15*