--- product_id: 715904543 title: "Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset & aptX Adaptive, Dual Headphones Support, 25hrs Play Time, HD Audio Transmitter for AirPods, Bose & Travel Flight" brand: "avantree" price: "฿5242" currency: THB in_stock: true reviews_count: 5 category: "Avantree" url: https://www.desertcart.co.th/products/715904543-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset-aptx store_origin: TH region: Thailand --- # Bluetooth 5.3 & aptX Adaptive Dual headphone support 25hrs playtime Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset & aptX Adaptive, Dual Headphones Support, 25hrs Play Time, HD Audio Transmitter for AirPods, Bose & Travel Flight **Brand:** avantree **Price:** ฿5242 **Availability:** ✅ In Stock ## Summary > ✈️ Elevate your travel sound game—wireless freedom that keeps you connected and in the moment! ## Quick Answers - **What is this?** Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset & aptX Adaptive, Dual Headphones Support, 25hrs Play Time, HD Audio Transmitter for AirPods, Bose & Travel Flight by avantree - **How much does it cost?** ฿5242 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/715904543-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset-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 - • **Share Your Sound Experience:** Connect two Bluetooth headphones simultaneously and enjoy movies or music together—perfect for travel buddies. - • **Crystal-Clear HD Audio Quality:** Powered by Qualcomm aptX Adaptive and Bluetooth 5.3 for stable, low-latency, high-fidelity sound wherever you go. - • **Seamless Wireless Travel Audio:** Stream in-flight entertainment or gym audio effortlessly via 3.5mm jack to your Bluetooth headphones. - • **Universal Bluetooth Compatibility:** Works flawlessly with AirPods, Bose, Sony, Beats, and most premium headphones for ultimate convenience. - • **All-Day Battery & Intuitive Controls:** Up to 25 hours of uninterrupted playtime with easy onboard controls and LED indicators for hassle-free use. ## Overview The Avantree Relay is a premium Bluetooth transmitter designed for travelers and fitness enthusiasts, featuring advanced Qualcomm aptX Adaptive technology and Bluetooth 5.3 for superior audio quality. It supports dual headphone connections, offers up to 25 hours of battery life, and is compatible with top headphone brands like AirPods, Bose, and Sony. Ideal for streaming audio from airplane entertainment systems or gym machines, it combines convenience, durability, and high-fidelity sound in a compact, easy-to-use device. ## Description Avantree Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset & aptX Adaptive, Dual Headphones Support, 25hrs Play Time, HD Audio Transmitter for AirPods, Bose & Travel Flight Review: Allzweckgerät - Der Adapter kam sehr gut verpackt an. Die Einrichtung und die Verbindung mit den Kopfhörern ging sehr fix. Zudem ist die Anleitung auch verständlich. Im Flugzeug konnten wir den Adapter testen. Ergebnis einfach sehr gut. Akku hält lange, Übertragung ohne Verzögerung und in guter Qualität. Das verbinden weiterer Kopfhörer auch einfach. Zudem kann man zwei Kopfhörer sogar gleichzeitig nutzen. Für den Preis super. Vor allem kann man es ja auch außerhalb vom Flugzeug nutzen. Definitiv klare Kaufempfehlung Review: buena - muy buena compra, justo lo que necesitaba. ## Features - 【Designed for Airplane Screens】This Bluetooth adapter connects directly to the entertainment system on aircraft via a standard 3.5mm AUX jack. Avoid airline cables and low-quality wired headsets for a cleaner wireless listening experience. - 【Connect 2 Headphones During Flights】Pair two Bluetooth headphones or AirPods at the same time and enjoy on-board entertainment together. Ideal for couples or travel partners who want to look side by side during the flight. - Not suitable for TVs, phones or instruments: Not compatible with TVs. Only a Bluetooth transmitter — cannot be paired with phones or tablets. Not suitable for musical instruments. - 【Clear and Reliable Travel Sound】Powered by Qualcomm aptX Adaptive technology for balanced sound and stable wireless performance throughout the flight. - 【Up to 25 Hours 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 | B0DMFB3VJZ | | Best Sellers Rank | #56,723 in Electronics ( See Top 100 in Electronics ) #642 in Headphone Adapters | | Brand | Avantree | | Built-In Media | Relay Bluetooth Transmitter | | Color | blue | | Colour | blue | | Compatible Devices | Airline Entertainment System, Gym Machine, Headphone | | Compatible devices | Airline Entertainment System, Gym Machine, Headphone | | Customer Reviews | 4.4 out of 5 stars 1,770 Reviews | | Data Link Protocol | Bluetooth | | Data link protocol | Bluetooth | | Hardware Interface | Bluetooth 5 | | Hardware interface | Bluetooth 5 | | Manufacturer | Avantree | | Mfr Part Number | BTTC-218-BLU | | Model Number | BTTC-218 | ## Product Details - **Brand:** Avantree - **Colour:** blue - **Compatible devices:** Airline Entertainment System, Gym Machine, Headphone - **Data link protocol:** Bluetooth - **Hardware interface:** Bluetooth 5 ## Images ![Relay - Premium Airplane Bluetooth Adapter with Advanced Qualcomm Chipset & aptX Adaptive, Dual Headphones Support, 25hrs Play Time, 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Allzweckgerät *by T***U on 7 December 2025* Der Adapter kam sehr gut verpackt an. Die Einrichtung und die Verbindung mit den Kopfhörern ging sehr fix. Zudem ist die Anleitung auch verständlich. Im Flugzeug konnten wir den Adapter testen. Ergebnis einfach sehr gut. Akku hält lange, Übertragung ohne Verzögerung und in guter Qualität. Das verbinden weiterer Kopfhörer auch einfach. Zudem kann man zwei Kopfhörer sogar gleichzeitig nutzen. Für den Preis super. Vor allem kann man es ja auch außerhalb vom Flugzeug nutzen. Definitiv klare Kaufempfehlung ### ⭐⭐⭐⭐⭐ buena *by M***A on 5 August 2025* muy buena compra, justo lo que necesitaba. ### ⭐⭐⭐⭐⭐ Great for travel *by R***A on 2 November 2025* ## 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 --- ## 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.co.th/products/715904543-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset-aptx](https://www.desertcart.co.th/products/715904543-relay-premium-airplane-bluetooth-adapter-with-advanced-qualcomm-chipset-aptx) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-22*