---
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: "$78.45"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/75991348-retekess-tr503-wireless-fm-microphone-headset-hands-free-with-rechargeable
store_origin: EC
region: Ecuador
---

# 15 volume levels 30m range 450mAh 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:** $78.45
**Availability:** ✅ In Stock

## Summary

> 🎤 Elevate Your Voice, Elevate Your Impact!

## 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?** $78.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/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

- • **Light as a Feather:** Weighing only 50g, this headset is designed for all-day comfort and ease of use.
- • **Unleash Your Voice:** Experience a 30m transmission range that keeps you connected, even in large spaces.
- • **Versatile Connectivity:** Easily pairs with a variety of FM-supported devices, making it perfect for any setting from classrooms to karaoke nights.
- • **Power Up Your Performance:** Enjoy up to 8 hours of uninterrupted use with a quick 2-3 hour charge.
- • **Crystal Clear Communication:** The FM condenser microphone ensures your voice is heard loud and clear, maintaining original sound quality.

## Overview

The Retekess TR503 Wireless FM Microphone Headset is a lightweight, hands-free solution designed for various professional settings. With a long transmission distance of 30m, a built-in 450mAh lithium battery for extended use, and a sensitive microphone with 15 adjustable volume levels, this headset is perfect for teachers, tour guides, and presenters. Its fast charging capability and compatibility with FM-supported devices make it a versatile tool for effective communication.

## Description

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

## 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
- Fast charging; type-c charging jack; charging time for 2-3h working time for about 8h; using for long time after charging fully
- FM condenser microphone headset; for easily pairs to all kinds of FM supported devices such as speakers; megaphones; amplifiers; FM radio and car audio systems
- Widely used; teaching; tour guide; lectures; meetings; karaoke; fans singing and so on purpose; easily pairs to all kinds of FM supported devices such as speakers; amplifiers; FM radio and car audio systems
- TR503 FM headset mic comes with an ABS body; smooth touch and stable structure, strong and durable
- The microphone has clear sound quality which maintains the original sound

## Product Details

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

## 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/41R7ulgkrFL.jpg)

## 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)
- TiKeDa Wireless FM Condenser Microphone Headset, Hands-Free with Rechargeable Battery, Megaphone Mic for Voice Amplifier, Church, Tour Guide Salesman Teachers Conference Road Trips and Karaoke
- XIAOKOA UHF12 Wireless Microphone Headset, 160ft Range, Dual Micro USB Charging, Suitable for Teaching, Stage Performers, Fitness Instructors

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

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-08*