---
product_id: 723903369
title: "Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset, 2 Headphones Support, 25hrs Play Time, aptX Adaptive & HD Audio Transmitter for Airpods, Bose & Travel Flight"
brand: "avantree"
price: "€ 61.68"
currency: EUR
in_stock: true
category: "Avantree"
url: https://www.desertcart.pt/products/723903369-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset-2
store_origin: PT
region: Portugal
---

# Qualcomm aptX Adaptive chipset Dual headphones support 25hrs battery life Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset, 2 Headphones Support, 25hrs Play Time, aptX Adaptive & HD Audio Transmitter for Airpods, Bose & Travel Flight

**Brand:** avantree
**Price:** € 61.68
**Availability:** ✅ In Stock

## Summary

> ✈️ Elevate your travel soundscape—wireless freedom that keeps you connected and in the moment!

## Quick Answers

- **What is this?** Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset, 2 Headphones Support, 25hrs Play Time, aptX Adaptive & HD Audio Transmitter for Airpods, Bose & Travel Flight by avantree
- **How much does it cost?** € 61.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/723903369-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset-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

- • **Future-Proof Your Audio:** Stay ahead with firmware updates that enhance compatibility, connection stability, and overall performance over time.
- • **Crystal-Clear Qualcomm Sound:** Experience premium audio clarity and ultra-stable Bluetooth 5.3 with aptX Adaptive & HD for your AirPods, Bose, Sony & more.
- • **Marathon 25-Hour Battery Life:** Power through long-haul flights and workouts with a single charge, plus intuitive volume controls and battery indicator.
- • **Uninterrupted Flight Entertainment:** Stream your favorite in-flight movies & music wirelessly with seamless 3.5mm AUX or airline adapter connection.
- • **Double the Listening, Double the Fun:** Connect two Bluetooth headphones simultaneously—perfect for sharing your travel vibe without compromise.

## Overview

The Avantree Relay is a premium airplane Bluetooth transmitter featuring an advanced Qualcomm chipset with aptX Adaptive and HD audio support. It connects effortlessly to standard 3.5mm airplane audio jacks or dual-prong adapters, enabling wireless streaming to two Bluetooth headphones simultaneously. With up to 25 hours of battery life, built-in controls, and firmware upgradeability, it’s designed for frequent travelers seeking superior, stable audio on the go.

## Description

Avantree Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset, 2 Headphones Support, 25hrs Play Time, aptX Adaptive & HD Audio Transmitter for Airpods, Bose & Travel Flight : desertcart.in: Electronics

## Features

- 【Enjoy Wireless Audio on Airplanes】Plug Relay directly into a standard 3.5 mm seatback audio jack or use the included dual-prong airline adapter on compatible aircraft. This Bluetooth transmitter for airplane entertainment streams in-flight movies and music wirelessly to AirPods, Bose, Sony, and other Bluetooth headphones.
- 【Clear, Stable Qualcomm Audio】 Powered by a Qualcomm chipset with aptX Adaptive and aptX HD support for clear, stable wireless sound while flying, working out, or traveling. aptX features require compatible headphones; AirPods use their standard Bluetooth codec.
- 【25-Hour Battery with Easy Controls】 Enjoy up to 25 hours of playtime with built-in volume buttons and a clear battery indicator—ideal for long flights, workouts, and frequent travel.
- 【Not For TVs, Phones, Or Assistive Listening Devices】 Not compatible with TVs, assistive listening devices, musical instruments, or real-time monitoring. Transmitter only – does not pair with phones or tablets.
- 【Made for Today, Upgradeable for Tomorrow】 Unlike basic adapters that stay the same after purchase, Relay supports firmware updates that can improve headphone compatibility, connection stability, and overall performance over time.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DMFB3VJZ |
| Audio Input | 3.5mm AUX |
| Audio Output Mode | Stereo |
| Audio Output Type | Bluetooth |
| Battery Type | Lithium-Polymer |
| Battery Weight | 4.4 Grams |
| Best Sellers Rank | #39,698 in Electronics ( See Top 100 in Electronics ) #449 in Audio & Video Adapters |
| Bluetooth support? | Yes |
| Box Contents | Relay Bluetooth Transmitter, Type C Charging Cable |
| Brand Name | Avantree |
| Colour | Midnight Blue |
| Compatibility Options | Headphones, Earbuds, Smartphones, Tablets, PCs, Gym Equipment, Airline Audio Jacks |
| Compatible Devices | Airline Entertainment System, Gym Machine, Headphone |
| Connectivity Technology | AUX |
| Connector Type Used on Cable | Auxiliary |
| Control Method | Push Button |
| Controller Type | Hand Control |
| Customer Reviews | 4.4 4.4 out of 5 stars (6,730) |
| Data Link Protocol | Bluetooth |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) |
| Hardware Interface | Bluetooth 5 |
| Includes Remote | No |
| Installation Type | wired |
| Lithium Battery Energy Content | 0.8 Watt Hours |
| Lithium Battery Weight | 4 Grams |
| Manufacturer | Avantree |
| Model Name | Relay |
| Number of Batteries | 1 Lithium Polymer batteries required. |
| Number of Channels | 2 |
| Number of Lithium-ion Cells | 1 |
| Power Source | Battery Powered |
| Product Features | Connect 2 headphones or AirPods simultaneously with aptX-Adaptive & Low Latency support |
| Rechargeable Battery Included | Yes |
| Supported Application | Any audio application supporting Bluetooth and 3.5mm AUX output |
| Supported Media Type | bluetooth |
| Supported Standards | Bluetooth 5.3, aptX-Adaptive, aptX-Low Latency |
| Unit Count | 1.0 Count |
| Warranty Description | No Warranty |
| Wireless Compability | Bluetooth |

## Product Details

- **Brand:** Avantree
- **Connectivity Technology:** AUX
- **Material:** Acrylonitrile Butadiene Styrene (ABS)
- **Power Source:** Battery Powered
- **Special Feature:** Connect 2 headphones or AirPods simultaneously with aptX-Adaptive & Low Latency support

## Images

![Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset, 2 Headphones Support, 25hrs Play Time, aptX Adaptive & HD Audio Transmitter for Airpods, Bose & Travel Flight - Image 1](https://m.media-amazon.com/images/I/41E+iBehgSL.jpg)

## Available Options

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

## Frequently Bought Together

- Avantree Relay - Airplane Bluetooth 5.3 Adapter with Qualcomm aptX Adaptive, Supports 2 AirPods or Headphones, 20Hr Playtime, 3.5mm AUX Wireless Audio Transmitter for Travel Flight, Airline, Gym, TV
- Bose QuietComfort Bluetooth Headphones, Wireless Headphones with Active Over Ear Noise Cancelling and Mic, Deep Bass, Up to 24 Hours of Playtime, Twilight Blue - Limited Edition Color

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**Shop now:** [https://www.desertcart.pt/products/723903369-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset-2](https://www.desertcart.pt/products/723903369-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset-2)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-09*