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

【Built For Airplane Seat Screens】 Connect Relay to airplane seatback screens through a standard 3.5mm AUX jack and stream in-flight entertainment to your own AirPods, Bose, or Bluetooth headphones. 【Clear Qualcomm Travel Audio】 Powered by a Qualcomm chip with aptX Adaptive and aptX HD support for clear, stable wireless sound on flights, at the gym, or while traveling. 【Not For TVs, Phones, Or Assistive Listening Devices】 Not compatible with TVs, assistive listening devices, musical instruments, or real-time monitoring. Transmitter only – does not pair with phones or tablets. 【Firmware-Upgradeable Design】 Keep Relay up to date with firmware updates. Improvements include better compatibility with AirPods, enhanced stability for dual-device connections, and overall performance optimization over time. 【25Hrs Battery With Easy Controls】 Enjoy up to 25 hours of playtime with built-in volume buttons and a clear battery indicator, ideal for long flights, workouts, and frequent travel.