--- product_id: 582838981 title: "Relay - Airplane Bluetooth Adapter for 2 AirPods or Headphones" brand: "avantree" price: "¥11238" currency: JPY in_stock: true category: "Avantree" url: https://www.desertcart.jp/products/582838981-relay-airplane-bluetooth-adapter-for-2-airpods-or-headphones store_origin: JP region: Japan --- # Qualcomm aptX Adaptive for crystal-clear sound Dual Bluetooth output for 2 headphones 25-hour long-lasting battery Relay - Airplane Bluetooth Adapter for 2 AirPods or Headphones **Brand:** avantree **Price:** ¥11238 **Availability:** ✅ In Stock ## Summary > ✈️ Elevate your in-flight audio game—because sharing sound should be seamless. ## Quick Answers - **What is this?** Relay - Airplane Bluetooth Adapter for 2 AirPods or Headphones by avantree - **How much does it cost?** ¥11238 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/582838981-relay-airplane-bluetooth-adapter-for-2-airpods-or-headphones) ## 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 - • **Effortless Setup:** Simple 3-step pairing with included dual-prong airplane adapter means you’re ready to go in seconds. - • **Share Your Soundscape:** Connect two Bluetooth headphones simultaneously and never miss a beat with your travel buddy. - • **Travel-Optimized Design:** Compact, lightweight ABS build with onboard volume controls and clear battery indicator keeps you in control. - • **Audiophile-Grade Clarity:** Qualcomm aptX Adaptive and aptX HD deliver rich, stable sound that elevates your in-flight entertainment. - • **Endurance for the Long Haul:** Enjoy up to 25 hours of uninterrupted audio—perfect for those cross-continental flights. ## Overview The Avantree Relay is a portable Bluetooth transmitter designed for airplane entertainment systems, enabling two Bluetooth headphones or AirPods to connect simultaneously. Featuring Qualcomm aptX Adaptive technology, it delivers high-quality, stable audio with up to 25 hours of battery life. Its simple 3-step pairing and included dual-prong adapter make it an essential travel companion for wireless, shared listening on long flights. ## Description desertcart.com: Avantree Relay - Airplane Bluetooth Adapter for 2 AirPods or Headphones | Qualcomm aptX Adaptive, 25H Battery, Firmware Upgrades, Volume Controls, 3.5mm AUX Audio Transmitter for Flight Travel & Gym : Electronics ## Features - SHARE IN-FLIGHT AUDIO — Connect two pairs of Bluetooth headphones or earbuds to one airplane entertainment screen, so you and a travel partner can listen together without wires. - CLEAR, RELIABLE WIRELESS SOUND — Qualcomm audio technology with aptX Adaptive and aptX HD support delivers stable, detailed audio with compatible headphones. - 25-HOUR BATTERY FOR LONG TRIPS — Built for long-haul flights with up to 25 hours of playtime, onboard volume controls, and a clear battery indicator. - SIMPLE 3-STEP PAIRING — Plug Relay into the 3.5 mm audio jack, put your headphones in pairing mode, and connect. Includes a dual-prong airplane adapter. - TRANSMITTER ONLY, CHECK BEFORE BUYING — Designed to send audio from 3.5 mm sources to Bluetooth headphones. It has no microphone and is not intended for phone calls, TVs, hearing aids, musical instruments, or receiving audio. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CL9C95T9 | | Audio Input | Auxiliary | | Audio Output Mode | a2dp | | Audio Output Type | Headphone | | Battery Type | A lightweight battery, taking 2 hours to charge, using one lithium-ion or lithium-polymer cell with a low energy content | | Battery Weight | 4.4 g | | Best Sellers Rank | #1 in MP3 Player Bluetooth Transmitters | | Brand | Avantree | | Color | 2-White | | Compatibility Options | Headphones | | Compatible Devices | Headphone, Airline Entertainment System, Gym Equipment | | Connectivity Technology | AUX, Bluetooth | | Connector Type Used on Cable | Auxiliary | | Control Method | Push Button | | Customer Reviews | 4.3 4.3 out of 5 stars (6,724) | | Data Link Protocol | Bluetooth | | Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) | | Hardware Interface | Bluetooth, Bluetooth 5 | | Installation Type | Portable | | Lithium Battery Weight | 4 g | | Lithium-Battery Energy Content | 0.8 watt-hours | | Manufacturer | Avantree | | Model Name | Relay | | Number of Batteries | 1 Lithium Polymer batteries required. | | Number of Channels | 2 | | Number of Lithium-ion Cells | 1 | | Number of Ports | 2 | | Power Source | Battery Powered | | Supported Application | Any audio application or format supported by the connected airplane entertainment system | | Supported Media Type | bluetooth | | Supported Standards | Bluetooth, aptX Adaptive | | Unit Count | 5.29 Ounce | | Warranty Description | Warranty - 24 months (product registration to cover first 12m return shipment cost) | Extensive Support: Chat, Email, Phone, Online Clinic, Video Tutorials, FAQ and Registration - avantree.com/support | | Wireless Compability | Bluetooth | ## Product Details - **Brand:** Avantree - **Color:** 2-White - **Connectivity Technology:** AUX, Bluetooth - **Material:** Acrylonitrile Butadiene Styrene (ABS) - **Power Source:** Battery Powered ## Images ![Relay - Airplane Bluetooth Adapter for 2 AirPods or Headphones - Image 1](https://m.media-amazon.com/images/I/41+EuzcVwBL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Will this work with a regular TV?** A: As long as your TV has an AUX audio output jack, the Relay will work with it. **Q: Will I get audio lag or lip-sync delays with my headphones?** A: Your headphones must support either aptX Low Latency or aptX Adaptive in order to eliminate audio latency. Please note that most true wireless earbuds (such as AirPods) do not currently support these audio codecs. **Q: How are the volume levels?** A: You should be able to reach sufficient volume levels by adjusting the volume on both the Relay, your headphones, and / or the audio source. **Q: How long does it take to fully charge the adapter?** A: It only takes 1.5 hours to fully charge the adapter. **Q: Can I connect my phone to the Relay via Bluetooth?** A: No, as a transmitter, the Relay is designed to only connect to audio devices (such as your headphones or AirPods) via Bluetooth. ## Frequently Bought Together - Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Supports 2 AirPods or Headphones with aptX Adaptive, 3.5mm AUX Jack Wireless Audio Transmitter for Planes, Airline, Travel, TV - SARISUN Travel Pillows for Airplanes, Airplane Pillow for Long Flight, Airplane Head Strap with Eye Mask for Sleep, Travel Neck Pillow for Car Road Trip, 360° Support Headrest, Stop Bobblehead, Black - Airplane Pockets Airplane Tray Table Cover with Pocket Organizer | Seat Back Organizer & Storage for Personal Items | Travel Accessories | Clean and Convenient Airplane Travel Essentials for Flying --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/582838981-relay-airplane-bluetooth-adapter-for-2-airpods-or-headphones](https://www.desertcart.jp/products/582838981-relay-airplane-bluetooth-adapter-for-2-airpods-or-headphones) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-29*