---
product_id: 724793346
title: "Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible)"
brand: "avantree"
price: "279 zł"
currency: PLN
in_stock: true
reviews_count: 13
category: "Avantree"
url: https://www.desertcart.pl/products/724793346-avantree-relay-premium-airplane-bluetooth-5-3-adapter-compatible-2
store_origin: PL
region: Poland
---

# Supports 2 headphones simultaneously Long-lasting battery for uninterrupted use Bluetooth 5.3 for seamless travel audio Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible)

**Brand:** avantree
**Price:** 279 zł
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your travel vibe—wireless audio, no compromises!

## Quick Answers

- **What is this?** Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible) by avantree
- **How much does it cost?** 279 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/724793346-avantree-relay-premium-airplane-bluetooth-5-3-adapter-compatible-2)

## Best For

- avantree enthusiasts

## Why This Product

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

## Key Features

- • **Sleek Portability:** Comes with a stylish zippered case—never leave your audio companion behind again.
- • **Dual Headphone Pairing:** Share your favorite tunes or movies effortlessly by connecting two headphones at once—no lag, no hassle.
- • **Versatile Compatibility:** Works flawlessly with AirPods, Bose, Sony, and all Bluetooth headphones for every lifestyle moment.
- • **Travel-Ready Audio Freedom:** Cut the cords and elevate your in-flight entertainment with crystal-clear Bluetooth 5.3 connectivity.
- • **aptX Adaptive Sound Quality:** Experience premium, low-latency audio that keeps you immersed whether on a plane or at home.

## Overview

The Avantree Relay is a premium Bluetooth 5.3 audio transmitter designed for travelers and audiophiles alike. It supports simultaneous connection of two headphones with Qualcomm aptX Adaptive technology for low-latency, high-quality sound. Compact and portable with a zippered case, it ensures seamless wireless audio from in-flight entertainment systems or any 3.5mm AUX source, backed by a long-lasting battery for uninterrupted listening.

## Description

desertcart.co.jp: Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible) : Electronics

Review: 2026年2月に購入し、10回ほど使用してますが、1度音声が聞こえなくなったものの再起動させたらすぐに直りました。 携帯のしやすさ、接続性ともに満足ですし、 出勤時、在宅勤務等でのTeams会議でとても重宝しています。(スマホ等でもTeams参加できますが、画面共有等で不便) まだ利用したことはないですが、機内での利用も楽しみです。
Review: Works well - Some airlines are gradually investing in Bluetooth but for now this is a handy little accessory for my headphones on long flights.

## Features

- [ENHANCES TRAVEL ENTERTAINMENT] Avantree Relay is a perfect travel companion designed to seamlessly connect any Bluetooth headphones/earphones to your in-flight entertainment system Works with Airpods, QuietComfort 45, WH-1000XM5, 1000 Momentum 4, etc
- 【Low Latency, High Quality Sound】Enjoy the best audio quality with minimal latency with Bluetooth 5.3 and Qualcomm aptX Low Latency Adaptive Technology Even when connecting two headphones simultaneously, say goodbye to wiring and synchronization issues
- A convenient solution for carrying: The Avantree Relay comes with a sophisticated zippered case for easy portability, ensuring you never leave it behind in your luggage User-friendly design makes it easy to set up and use
- 【Long-lasting battery】The Avantree Relay features a fully charged battery that allows you to enjoy audio without interruption, even during long flights or training sessions
- 【Versatile Compatibility】 This versatile adapter works with all headphones, perfect for various scenarios from in-flight movies to gym workouts and gaming sessions Introducing a hassle-free audio connection

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C3QQ4X6F |
| Amazon Bestseller | #5,788 in Electronics ( See Top 100 in Electronics ) #16 in MP3 Player Bluetooth Transmitters |
| Brand | Avantree |
| Color | Black |
| Country of Origin | China |
| Customer Reviews | 4.3 4.3 out of 5 stars (5,835) |
| Data Link Protocol | Bluetooth |
| Hardware Interface | Bluetooth |
| Manufacturer | Avantree |
| Mfr Part Number | BTTC-218 |
| Model Number | BTTC-218 |
| Warranty Description | 2 Year Limited Warranty |

## Product Details

- **Brand:** Avantree
- **Color:** Black
- **Data Link Protocol:** Bluetooth
- **Hardware Interface:** Bluetooth
- **Manufacturer:** Avantree

## Images

![Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible) - Image 1](https://m.media-amazon.com/images/I/61lYNtjC6qL.jpg)
![Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible) - Image 2](https://m.media-amazon.com/images/I/61oqX6Aq+nL.jpg)
![Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible) - Image 3](https://m.media-amazon.com/images/I/61xXis-8dtL.jpg)
![Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible) - Image 4](https://m.media-amazon.com/images/I/515Bhbxfs5L.jpg)
![Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Compatible with 2 AirPods or Headphones, Supports aptX Adaptive, Wireless Audio Transmitter with 3.5mm AUX Jack (Travel and TV Compatible) - Image 5](https://m.media-amazon.com/images/I/61AmcJ9f7IL.jpg)

## Available Options

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

## Questions & Answers

**Q: Does it work with bone conductors?**
A: compare all specs before buying

**Q: It keeps asking me for the code and i can't find it. Is there a genetic code?**
A: There is no code needed for pairing. May i know which device you are tryting to pair with the Relay please?

**Q: Can this be connected to Hearing aids?**
A: Yes

**Q: When used with two headsets, can each set of ear buds control volume independent of the other?**
A: If you want to adjust the volume independently, please adjust the volume on the headphones.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by 無***名 on March 16, 2026*

2026年2月に購入し、10回ほど使用してますが、1度音声が聞こえなくなったものの再起動させたらすぐに直りました。 携帯のしやすさ、接続性ともに満足ですし、 出勤時、在宅勤務等でのTeams会議でとても重宝しています。(スマホ等でもTeams参加できますが、画面共有等で不便) まだ利用したことはないですが、機内での利用も楽しみです。

### ⭐⭐⭐⭐⭐ Works well
*by J***S on April 1, 2026*

Some airlines are gradually investing in Bluetooth but for now this is a handy little accessory for my headphones on long flights.

### ⭐⭐⭐⭐ Review
*by A***ー on March 24, 2026*

良い

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.pl/products/724793346-avantree-relay-premium-airplane-bluetooth-5-3-adapter-compatible-2](https://www.desertcart.pl/products/724793346-avantree-relay-premium-airplane-bluetooth-5-3-adapter-compatible-2)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-04-26*