--- product_id: 685334168 title: "– Avantree Relay - Airplane Bluetooth 5.3 Adapter with Qualcomm aptX Adaptive, Supports 2 AirPods or Headphones, 20H Playtime, 3.5mm AUX Jack Wireless Audio Transmitter for Planes, Airline, Travel" brand: "avantree" price: "€ 63.65" currency: EUR in_stock: true reviews_count: 8 category: "Avantree" url: https://www.desertcart.gr/products/685334168-avantree-relay-airplane-bluetooth-5-3-adapter-with-qualcomm-aptx store_origin: GR region: Greece --- # Dual Bluetooth pairing for 2 headphones/AirPods Qualcomm aptX Adaptive for crystal-clear sound 25H battery life for nonstop in-flight entertainment – Avantree Relay - Airplane Bluetooth 5.3 Adapter with Qualcomm aptX Adaptive, Supports 2 AirPods or Headphones, 20H Playtime, 3.5mm AUX Jack Wireless Audio Transmitter for Planes, Airline, Travel **Brand:** avantree **Price:** € 63.65 **Availability:** ✅ In Stock ## Summary > ✈️ Elevate your in-flight audio game—wireless freedom at 30,000 feet! ## Quick Answers - **What is this?** – Avantree Relay - Airplane Bluetooth 5.3 Adapter with Qualcomm aptX Adaptive, Supports 2 AirPods or Headphones, 20H Playtime, 3.5mm AUX Jack Wireless Audio Transmitter for Planes, Airline, Travel by avantree - **How much does it cost?** € 63.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/685334168-avantree-relay-airplane-bluetooth-5-3-adapter-with-qualcomm-aptx) ## 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 - • **Premium Sound Tech:** Powered by Qualcomm aptX Adaptive to deliver balanced, lag-free audio that elevates your in-flight entertainment. - • **Long-Haul Flight Ready:** Up to 25 hours of uninterrupted playtime means your audio keeps pace with your longest trips. - • **Compact & Durable Design:** Lightweight and travel-proof, this sleek adapter fits effortlessly into your carry-on essentials. - • **Share Your Journey Soundtrack:** Connect two Bluetooth headphones simultaneously—perfect for couples or travel buddies who want to vibe together. - • **Seamless Airplane Audio Upgrade:** Cut the cord and enjoy wireless freedom on any flight with a simple 3.5mm AUX connection. ## Overview The Avantree Relay is a Bluetooth 5.3 transmitter designed specifically for airplane entertainment systems. It connects via a 3.5mm AUX jack, supports simultaneous pairing of two Bluetooth headphones or AirPods, and delivers high-quality sound with Qualcomm aptX Adaptive technology. With up to 25 hours of battery life, it’s built to last through long international flights, offering a sleek, durable, and hassle-free wireless audio experience for frequent travelers. ## Description Shop for Avantree PC products at the desertcart.co.uk Electronics & Photo store. Review: Good Value - Works really well, fantastic for a flight and good price too, sound quality is good and it’s super compact and durable, no noise and it’s very versatile. Review: Expensive, but well worth it: Great sound quality and long lasting! - This Relay kit has become an essential part of my travel kit. The Bluetooth adapter is fantastic, especially for long flights and the sound quality is top-notch, giving clear and crisp audio without any noticeable lag. One of the best features is its battery life – it lasts throughout my long flights (14hrs plus and it barely went down one bar) without needing a recharge. It's easy to connect if you follow the instructions and worked perfectly with Apple AirPods. Pleasantly surprised, and definitely made long flights more comfortable! ## 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 Musical Instruments】Not compatible with TVs. Bluetooth transmitter only — does not pair with phones or tablets. Not suitable for musical instruments. - 【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 | B0DMF9B43L | | Best Sellers Rank | 610 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 5 in Audio & Video Adapters | | Box Contents | Relay Bluetooth Transmitter, Type C Charging Cable | | Brand | Avantree | | Brand Name | Avantree | | Color | Sandstorm Beige | | Colour | Sandstorm Beige | | Compatible Devices | Headphone, AirPods | | Compatible devices | Headphone, AirPods | | Country of Origin | China | | Customer Reviews | 4.4 out of 5 stars 5,830 Reviews | | Data Link Protocol | Bluetooth | | Data link protocol | Bluetooth | | Hardware Interface | 3.5mm Audio | | Hardware interface | 3.5mm Audio | | Item Weight | 4.5 Ounces | | Item weight | 4.5 Ounces | | Manufacturer | Avantree | | Manufacturer Part Number | BTTC-218-GRY | | Model Number | BTTC-218 | | Product Warranty | 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 | | Unit Count | 1.0 count | ## Product Details - **Brand:** Avantree - **Colour:** Sandstorm Beige - **Compatible devices:** Laptop, Smart TV, Tablet - **Data link protocol:** Bluetooth - **Hardware interface:** 3.5mm Audio - **Item weight:** 4.5 Ounces - **Manufacturer:** Avantree ## Images ![– Avantree Relay - Airplane Bluetooth 5.3 Adapter with Qualcomm aptX Adaptive, Supports 2 AirPods or Headphones, 20H Playtime, 3.5mm AUX Jack Wireless Audio Transmitter for Planes, Airline, Travel - Image 1](https://m.media-amazon.com/images/I/41nfeBo+8fL.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 ### ⭐⭐⭐⭐⭐ Good Value *by V***S on 6 April 2026* Works really well, fantastic for a flight and good price too, sound quality is good and it’s super compact and durable, no noise and it’s very versatile. ### ⭐⭐⭐⭐⭐ Expensive, but well worth it: Great sound quality and long lasting! *by T***N on 11 July 2024* This Relay kit has become an essential part of my travel kit. The Bluetooth adapter is fantastic, especially for long flights and the sound quality is top-notch, giving clear and crisp audio without any noticeable lag. One of the best features is its battery life – it lasts throughout my long flights (14hrs plus and it barely went down one bar) without needing a recharge. It's easy to connect if you follow the instructions and worked perfectly with Apple AirPods. Pleasantly surprised, and definitely made long flights more comfortable! ### ⭐⭐⭐⭐ Would be five stars but for.... *by G***S on 13 October 2024* Works really nicely. Instructions are clear. Thanks for thinking to include a nice little travel bag. Would be five stars, but for the packaging unrecycleable at least in my location. ## 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 - Bose QuietComfort Bluetooth Headphones, Wireless Headphones with Active Over Ear Noise Cancelling and Mic, Deep Bass, Up to 24 Hours of Playtime, Sandstone --- ## 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.gr/products/685334168-avantree-relay-airplane-bluetooth-5-3-adapter-with-qualcomm-aptx](https://www.desertcart.gr/products/685334168-avantree-relay-airplane-bluetooth-5-3-adapter-with-qualcomm-aptx) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-04-23*