--- product_id: 582838981 title: "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" brand: "avantree" price: "€ 55.35" currency: EUR in_stock: true reviews_count: 13 category: "Avantree" url: https://www.desertcart.sk/products/582838981-avantree-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset store_origin: SK region: Slovakia --- # Qualcomm aptX Adaptive chipset Dual headphone pairing 25-hour battery life 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 **Brand:** avantree **Price:** € 55.35 **Availability:** ✅ In Stock ## Summary > ✈️ Elevate your in-flight audio game—wireless freedom at 35,000 feet! ## Quick Answers - **What is this?** 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 by avantree - **How much does it cost?** € 55.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/582838981-avantree-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset) ## 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 - • **Compact & Travel-Ready:** Lightweight and portable design fits effortlessly in your carry-on, with fast USB-C charging to keep you powered up. - • **Ultra-Long Battery Life:** Enjoy up to 25 hours of uninterrupted wireless audio on a single charge, ideal for long-haul flights and beyond. - • **Premium Qualcomm Audio Tech:** Experience crystal-clear, low-latency sound with advanced aptX Adaptive codec for HD audio quality. - • **Seamless Dual Audio Sharing:** Connect two Bluetooth headphones simultaneously for shared in-flight entertainment—perfect for travel partners. - • **Plug & Play Airplane Compatibility:** Directly connects to airplane seat screens via 3.5mm AUX jack—ditch tangled cords and embrace wireless freedom. ## Overview The Avantree Relay is a premium Bluetooth transmitter designed specifically for airplane entertainment systems. Featuring Qualcomm's aptX Adaptive chipset, it delivers high-definition, low-latency audio to two Bluetooth headphones simultaneously. With a robust 25-hour battery life and simple 3.5mm AUX connectivity, it transforms wired in-flight audio into a seamless wireless experience, perfect for frequent travelers and audiophiles alike. ## Description Product description Frequently Asked Question Q1: How can I connect the Relay with my headphones? A1: 1. Plug the Relay into your audio source (airplane jack, TV, or AUX port) ; 2.Turn it on and press and hold the pairing button until the LED flashes red and blue; 3.Put your Bluetooth headphones in pairing mode. (not just powered on); 4. Wait until the Relay LED turns solid blue – connection successful. Note: If you need help, scan the code on the product for a quick pairing guide. Q2: Why won’t my headphones connect to Avantree Relay? A2: Most likely, your headphones are still connected to another device such as your phone . Please turn off Bluetooth on your phone or other devices first. Then, make sure both the Relay (red-blue flashing) and your headphones are in pairing mode. Once your headphones are free, they’ll pair automatically within seconds. Q3: Can I connect two headphones at the same time? A: Yes, you can pair two Bluetooth headphones to share audio simultaneously. Q4: Can I use it with my phone or tablet? A: No, it's a transmitter only, it doesn't receive audio from phones or tablets. Q5: How is this different from other adapters? A: It uses a Qualcomm premium chip for better sound, stable connection, low latency, and broad headphone support, unlike basic models with limited performance. Dual Link The Relay’s intuitive LEDs allow you to easily connect up to two audio devices and share the audio. Included Adapter Connect to any plane with the double 3.5mm adapter – no need to purchase separately. Extended Playtime A battery life of up to 20 hours provides sufficient battery life to last you through any flight. Setup Essentials for Relay Plug Plug the Avantree Relay into the airplane or TV’s headphone jack (AUX). Power the relay Turn it on, then press and hold the pairing button until the LED flashes red and blue – this means it’s in pairing mode. Pair Put your Bluetooth headphones into pairing mode as well (not just powered on). Wait until the LED turns solid blue – your devices are now connected. Key Success Tips Make sure the headphones are in pairing mode - this solves 95% of setup problems Turn off Bluetooth on your phone or tablet to prevent reconnection. COMPARISON TABLE Avantree Relay Avantree SoundJet R1 Avantree Voyager ## Features - 【Built For Airplane Seat Screens】 This Bluetooth adapter connects directly to airplane entertainment systems using a standard 3.5mm AUX jack. Skip airline cords and low-quality wired headsets for a cleaner wireless experience in the air. - 【Connect 2 Headphones On Flights】 Pair two Bluetooth headphones or AirPods at the same time and enjoy in-flight entertainment together. A smarter wireless upgrade for couples or travel partners who want to watch side by side on airplanes. - 【Not For TVs, Phones, Or Hearing Aids】Not compatible with TVs, hearing aids, or musical instruments. Bluetooth transmitter only – does not pair with phones or tablets. - 【Clear, Confident Travel Audio】 Powered by Qualcomm aptX Adaptive technology to deliver balanced sound and dependable wireless performance throughout your flight. - 【25 Hours Of Reliable Playtime】 Enjoy up to 25 hours of wireless listening on a single charge—ideal for long international flights and frequent travelers. ## 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 Grams | | Best Sellers Rank | #1 in MP3 Player Bluetooth Transmitters | | Bluetooth support? | Yes | | Brand | Avantree | | Color | 2-White | | Compatibility Options | Headphones | | Compatible Devices | Headphone, Airline Entertainment System, Gym Equipment | | Connectivity Technology | Auxiliary , Bluetooth | | Connector Type Used on Cable | Auxiliary | | Control Method | Push Button | | Customer Reviews | 4.3 out of 5 stars 5,958 Reviews | | Data Link Protocol | Bluetooth | | Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) | | Hardware Interface | Bluetooth, Bluetooth 5 | | Includes Remote | No | | Installation Type | Portable | | Lithium Battery Weight | 4 Grams | | Lithium-Battery Energy Content | 0.8 Watt Hours | | Manufacturer | Avantree | | Material | Acrylonitrile Butadiene Styrene (ABS) | | 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 | | Rechargeable Battery Included | Yes | | 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 | 5.2911 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 Communication Standard | Bluetooth | | Wireless Compability | Bluetooth | ## Product Details - **Brand:** Avantree - **Color:** 2-White - **Compatible Devices:** Headphone, Airline Entertainment System, Gym Equipment - **Data Link Protocol:** Bluetooth - **Hardware Interface:** Bluetooth, Bluetooth 5 - **Item Weight:** 4.5 Ounces - **Manufacturer:** Avantree ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/41+EuzcVwBL.jpg) ![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 - Image 2](https://m.media-amazon.com/images/I/616CHS3S29L.jpg) ![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 - Image 3](https://m.media-amazon.com/images/I/61mulwT8p0L.jpg) ![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 - Image 4](https://m.media-amazon.com/images/I/51oGJebd00L.jpg) ![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 - Image 5](https://m.media-amazon.com/images/I/514OU+ah-vL.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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***L on November 12, 2025* ### ⭐⭐⭐⭐⭐ Review *by C***S on September 30, 2025* ### ⭐⭐⭐⭐⭐ Review *by J***N on March 13, 2026* ## 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.sk/products/582838981-avantree-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset](https://www.desertcart.sk/products/582838981-avantree-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-05*