---
product_id: 639452263
title: "Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm)"
brand: "fanmusic"
price: "£28.46"
currency: GBP
in_stock: true
reviews_count: 13
category: "Fanmusic"
url: https://www.desertcart.co.uk/products/639452263-fanmusic-trn-bt20-pro-true-wireless-bluetooth-5-3-earphone
store_origin: GB
region: United Kingdom
---

# Instant swappable connectors 13h playback, 50h with case Water & sweat resistant Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm)

**Brand:** fanmusic
**Price:** £28.46
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game with modular freedom and marathon battery life!

## Quick Answers

- **What is this?** Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm) by fanmusic
- **How much does it cost?** £28.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/639452263-fanmusic-trn-bt20-pro-true-wireless-bluetooth-5-3-earphone)

## Best For

- fanmusic enthusiasts

## Why This Product

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

## Key Features

- • **Marathon Battery Life:** Enjoy up to 13 hours nonstop playback, extended to 50 hours with the portable charging case—power that keeps pace with your hustle.
- • **All-Weather Durability:** Water and sweat-resistant nanocoating means your audio stays crisp rain or shine—perfect for workouts, commutes, and travel.
- • **Next-Gen Bluetooth 5.3:** Experience ultra-fast, stable connections with low latency and powerful anti-interference tech for flawless audio on the move.
- • **HiFi AAC/SBC Audio Support:** Crystal-clear, lag-free sound quality optimized for music, video, and gaming—immerse yourself in premium wireless audio.
- • **Seamless Earphone Upgrades:** Swap your earpieces instantly with 2Pin 0.78mm connectors—future-proof your sound without buying new gear.

## Overview

The Fanmusic TRN BT20 Pro is a cutting-edge Bluetooth 5.3 earphone module featuring instant swappable 2Pin 0.78mm connectors for versatile upgrades. It delivers up to 13 hours of playback per charge, extendable to 50 hours with its portable charging case. Designed with water and sweat-resistant nanocoating, it ensures durability for active lifestyles. Supporting AAC/SBC codecs, it offers high-definition wireless audio with low latency and strong anti-interference performance, making it ideal for music, video, and gaming on the go.

## Description

Paoduct model：BT20 Pro Bluetooth encoding：AAC/SBC Weight：8g（per earpiece） Effective signal range：15m Bluetooth format：Bluetooth 5.3 Charging port：Type-C Bluetooth chipset：High quality Bluetooth chip Battery power capacity：80mAh（per earpiece) Charging case power capacity：1000mAh Standby time：180H Playback time（charging case+earpieces）：50 hours 13 hours when using both earpieces only Charing time（modules/charing case):1.5-2H/2.5-3H

Review: Good product would recommend - Case is a little bulky in the pocket but accommodates very large iems so I suppose thats fair enough. The largest I have are the Mangrid Tea2s and those were no problem, although I have them connected to Moondrop Lan's for regular use. Battery life is good and I only charge the case once or twice a week right now, and their energy saving mode while not playing anything is great! I've fallen asleep without putting them in the case only to find them at 5% less battery than they were the night before. Bluetooth startup sounds are thankfully not deafeningly loud and are pretty close to my regular listening levels. Maximum volume might be a touch low if your iems are less sensitive but I am very comfortable listening at 65% volume or less. Sound quality is good, more than reasonable for the price. I've been using AAC and noticed no noise floor or artifacts, although there might be a touch of distortion if you're driving these at max output. Haven't tested the mic quality myself but haven't gotten any complaints about it either
Review: Good sound but QC needs improvement - I enjoyed these while they worked. Unfortunately after a few days one of the sides became very quiet, rendering them unusable. Clean connectors and the IEMs work fine wired, so I know it was the adapter. Open to advice on how to fix

## Features

- Instantaneous swappable earphone upgradability. Designed to fit variety of earphone connectors，TRN-High quality Bluetooth chip makes switching earpiece a breeze.Indeed,an“all-in-one”solution
- Longer battery life LED indicator lights show battery leve. Allows 13 hours of playback per charge, up to 50 hours when used with portable charging case.
- High quality Bluetooth chip Bluetooth 5.3 fast connection. The all-new Bluetooth 5.3 technology features faster transmission，lower power consumption，and powerful anti-interference capabilities.
- Water and sweat-re sistant nanocoating for moisture protection. Water and sweat-resistant nanocoating for moisture protection regardless of rain or shine, indoor or outdoor.
- AAC/SBC Wireless high-definition HiFi experience. Supports AAC . Both formats allow enjoy lag-free, high-quality music listening, video watching and gaming on-the-go.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D41JKRDP |
| Additional Features | Lightweight |
| Age Range Description | Adult |
| Antenna Location | Exercising, Cycling, Travel |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 13 Hours |
| Battery Charge Time | 2 Hours |
| Best Sellers Rank | #30,170 in Electronics ( See Top 100 in Electronics ) #1,727 in Earbud & In-Ear Headphones |
| Bluetooth Range | 15 Meters |
| Bluetooth Version | 5.3 |
| Brand | Fanmusic |
| Brand Name | Fanmusic |
| Built-In Media | TRN BT20 Pro connectors |
| Cable Features | Without Cable |
| Carrying Case Battery Charging Time | 150 Minutes |
| Carrying Case Color | Black |
| Carrying Case Material | Plastic |
| Color | Black |
| Compatible Devices | Various Brands of Cellphones, Smart Speakers, Tablets, Laptops, and Desktops |
| Connectivity Technology | Wireless |
| Control Method | Remote |
| Control Type | Media Control |
| Controller Type | remote |
| Customer Package Type | Portable Charging Case |
| Customer Reviews | 3.6 out of 5 stars 109 Reviews |
| Ear Placement | In Ear |
| Earpiece Shape | Rounded tip |
| Enclosure Material | Plastic |
| Form Factor | In Ear |
| Frequency Range | 20Hz~20kHz |
| Headphone Folding Features | In Ear |
| Headphone Jack | None (Wireless) |
| Headphones Ear Placement | In Ear |
| Headphones Jack | None (Wireless) |
| Is Autographed | No |
| Item Weight | 8 Grams |
| Manufacturer | TRN |
| Model Name | BT20 Pro |
| Model Number | 2Pin 0.78mm |
| Noise Control | None |
| Number of Items | 1 |
| Series Number | 20 |
| Specific Uses For Product | Sport, Travel |
| Style Name | Minimalist |
| Theme | Audio Technology |
| Unit Count | 2.0 Count |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** Fanmusic
- **Color:** Black
- **Ear Placement:** In Ear
- **Form Factor:** In Ear
- **Noise Control:** None

## Images

![Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm) - Image 1](https://m.media-amazon.com/images/I/41Ri5SFOSLL.jpg)
![Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm) - Image 2](https://m.media-amazon.com/images/I/41otTAXrdzL.jpg)
![Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm) - Image 3](https://m.media-amazon.com/images/I/41gsLuR+KvL.jpg)
![Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm) - Image 4](https://m.media-amazon.com/images/I/41iXMDuGPyL.jpg)
![Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm) - Image 5](https://m.media-amazon.com/images/I/41gIJbfRv5L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product would recommend
*by J***M on February 25, 2026*

Case is a little bulky in the pocket but accommodates very large iems so I suppose thats fair enough. The largest I have are the Mangrid Tea2s and those were no problem, although I have them connected to Moondrop Lan's for regular use. Battery life is good and I only charge the case once or twice a week right now, and their energy saving mode while not playing anything is great! I've fallen asleep without putting them in the case only to find them at 5% less battery than they were the night before. Bluetooth startup sounds are thankfully not deafeningly loud and are pretty close to my regular listening levels. Maximum volume might be a touch low if your iems are less sensitive but I am very comfortable listening at 65% volume or less. Sound quality is good, more than reasonable for the price. I've been using AAC and noticed no noise floor or artifacts, although there might be a touch of distortion if you're driving these at max output. Haven't tested the mic quality myself but haven't gotten any complaints about it either

### ⭐⭐⭐ Good sound but QC needs improvement
*by B***R on April 11, 2026*

I enjoyed these while they worked. Unfortunately after a few days one of the sides became very quiet, rendering them unusable. Clean connectors and the IEMs work fine wired, so I know it was the adapter. Open to advice on how to fix

### ⭐⭐⭐⭐⭐ Excellent
*by D***A on November 14, 2025*

Good product, I've been testing it for several days, the sound quality is good and it has good range.

## Frequently Bought Together

- Fanmusic TRN BT20 Pro True Wireless Bluetooth 5.3 Earphone Module Swappable connectors (Headphones not Included) (2Pin 0.78mm)
- Fanmusic TRUTHEAR x Crinacle Zero:RED Dual Dynamic Drivers in Ear Headphone with 0.78 2Pin Cable
- Apple USB-C to 3.5 mm Headphone Jack Adapter

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**Shop now:** [https://www.desertcart.co.uk/products/639452263-fanmusic-trn-bt20-pro-true-wireless-bluetooth-5-3-earphone](https://www.desertcart.co.uk/products/639452263-fanmusic-trn-bt20-pro-true-wireless-bluetooth-5-3-earphone)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*