Avantree - Relay - Airplane Bluetooth 5.3 Adapter with Qualcomm aptX Adaptive, Supports 2 AirPods or Headphones
About this product
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
FOR In-Flight Wireless Listening
For travelers who want to use Bluetooth headphones with airplane seat 3.5mm audio jacks. without cables. Designed specifically for airplanes, seatback screens, and other 3.5mm audio-out sources - not phones or instruments.
Stable Audio For Movies
Compatible with AirPods, Bose and all Bluetooth headphones. Simply plug the adapter into 3.5mm AUX jack to stream audio from airplane. (Not compatible with phones, car stereos, or hearing aids.)
Dual Headphones, One Source
Connect two Bluetooth headphones at the same time to share in-flight movies or music. Audio stays synchronized between both listeners, making it ideal for couples or family travel.
NOT FOR Real-Time Or instrument Use
NOT for musicians, gaming, live monitoring, karaoke, or electronic instruments. Bluetooth transmission introduces delay that makes real-time performance or rhythm-critical use unusable, even though audio quality itself is stable.
LIMITED Bluetooth Behavior & Latency
Relay is a transmitter only and pairs only with headphones, not phones or tablets. Bluetooth must be turned off on previously paired devices to avoid auto-connection issues. Latency depends on headphones: aptX Adaptive ≈ low delay; Standard Bluetooth<150-200ms (lip-sync: may be noticeable)
- BrandAvantreeModel NumberBTTC-218Product NameRelay - Airplane Bluetooth 5.3 Adapter with Qualcomm aptX Adaptive, Supports 2 AirPods or HeadphonesWarranty - 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.Accessory TypeTransmitter
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