Avantree Relay – Airplane Bluetooth Adapter for 2 AirPods or Headphones | Future-Proof Firmware Upgradable, Qualcomm aptX Adaptive, 25H Battery, 3.5mm AUX Transmitter for Flight Travel & Gym

【Built For Airplane Seat Screens】 Connect Relay to airplane seatback screens through an ordinary 3.5mm AUX jack and stream in-flight entertainment for your own AirPods, Bose, or Bluetooth headphones.
【Clear Qualcomm Trip Audio】 Powered by a Qualcomm chip with aptX Adaptive and aptX HD reinforce for clear, stable wireless sound on flights, on the gym, or even as traveling.
【Not For TVs, Phones, Or Hearing Aids】 Not compatible with TVs, hearing aids, musical instruments, or real-time monitoring. Transmitter only – does not pair with phones or tablets.
【Firmware-Upgradeable Design】 Keep Relay up-to-the-minute with firmware updates. Improvements include better compatibility with AirPods, enhanced stability for dual-device connections, and overall performance optimization over the years.
【25Hrs Battery With Easy Controls】 Revel in as much as 25 hours of playtime with built-in volume buttons and a clear battery indicator, ideal for long flights, workouts, and frequent Trip.