Avantree - Relay - Bluetooth Adapter for Airplane, 3.5mm Audio Transmitter for 2 Headphones, aptX Adaptive - White
About this product
Avantree Relay is a Bluetooth adapter for airplane entertainment systems and other 3.5mm audio-output sources. Connect the transmitter to the audio jack and pair up to two Bluetooth headphones or earbuds to enjoy movies or music wirelessly. Bluetooth 5.3 and Qualcomm aptX Adaptive support provide wireless audio. Relay is a transmitter only, not a Bluetooth receiver. Audio delay varies by headphone and codec; aptX Adaptive requires compatible headphones. Not intended for phone calls, hearing aids, live instruments, or real-time audio monitoring.
Color
WhiteFeatures
Bluetooth Adapter for Airplane
Use your Bluetooth headphones with an airplane seatback entertainment system or another 3.5mm audio-output source. Plug Relay into the audio jack and pair your headphones for wireless listening.
Share Audio with Two Headphones
Pair up to two Bluetooth headphones or earbuds at the same time to share movies and music from one audio source.
Bluetooth 5.3 with aptX Adaptive
Supports Qualcomm aptX Adaptive when used with compatible headphones. Audio latency depends on the headphones and codec; headphones without aptX Adaptive may have noticeable lip-sync delay.
Up to 25 Hours of Playtime
Enjoy up to 25 hours of wireless audio between charges for flights and travel. Actual battery life varies with use.
Transmitter Compatibility and Setup
Transmits audio to Bluetooth headphones, including compatible AirPods and Bose models. Does not pair with phones as an audio receiver and is not intended for calls, hearing aids, gaming, live instruments, or real-time monitoring. Disconnect headphones from previously paired devices if pairing is interrupted.
Specifications
- BrandAvantreeModel NumberBTTC-218Product NameRelay - Bluetooth Adapter for Airplane, 3.5mm Audio Transmitter for 2 Headphones, aptX AdaptiveColorWhiteWarranty - Parts2-year warranty | For fast support, email support@avantree.com or call +1 800 232 2078. Visit https://avantree.com/support for Live Chat, Video Tutorials, FAQ, and our Online Clinic.Warranty - Labor2-year warranty | For fast support, email support@avantree.com or call +1 800 232 2078. Visit https://avantree.com/support for Live Chat, Video Tutorials, FAQ, and our Online Clinic.
Reviews
Rating 5 out of 5 stars with 1 review
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Compare similar products
Avantree Relay is a Bluetooth adapter for airplane entertainment systems and other 3.5mm audio-output sources. Connect the transmitter to the audio jack and pair up to two Bluetooth headphones or earbuds to enjoy movies or music wirelessly. Bluetooth 5.3 and Qualcomm aptX Adaptive support provide wireless audio. Relay is a transmitter only, not a Bluetooth receiver. Audio delay varies by headphone and codec; aptX Adaptive requires compatible headphones. Not intended for phone calls, hearing aids, live instruments, or real-time audio monitoring.
Avantree Voyager is a Bluetooth adapter for airplane entertainment systems that sends audio wirelessly to compatible Bluetooth headphones or earbuds, including compatible AirPods and Bose models. The OLED display shows devices and pairing status to simplify setup. Bluetooth 5.4, a Qualcomm chipset and aptX Adaptive support provide wireless listening; aptX Adaptive performance requires compatible headphones. Auracast mode supports audio sharing with compatible Auracast receivers or headphones. Its lightweight design is made for flights, travel and compatible gym entertainment systems.
Avantree SoundJet R1 is a Bluetooth adapter for airplane seatback entertainment systems. Connect it to a compatible AUX audio-output jack, or use the included dual-prong airplane adapter, to listen with compatible Bluetooth headphones or AirPods. The Qualcomm chipset supports aptX Adaptive with compatible headphones. Audio delay depends on the connected headphones and codec. Its portable design also suits compatible TV and gym audio sources. This device transmits audio to headphones; it does not add Bluetooth audio reception to a speaker.
Avantree C81-Gaming - USB-C Bluetooth 5.3 Audio Adapter for PS5, Qualcomm Chip, aptX Adaptive & HD, Premium Sound, Works with AirPods, Bose Headphones & More
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