Twelve South AirFly SE | Bluetooth Wireless Audio Transmitter Adapter for AirPods/Headphones, 20+ Hr Battery, Works with 3.5mm aux Jacks on Airplanes, TVs, Gym Equipment, and Travel

Twelve South’s AirFly SE is a portable Bluetooth audio transmitter that converts any 3.5mm auxiliary audio output into a wireless Bluetooth feed for AirPods and other Bluetooth headphones. The title highlights a long-lasting 20+ hour battery, positioning it for multi-day travel and long flight use. It explicitly works with common 3.5mm aux jacks found on airplanes, in-flight entertainment systems, TVs, and gym equipment, enabling wireless listening where only wired outputs exist. Its compact form and travel-oriented use cases make it suited for commuting, vacations, and workouts. Exact technical details like Bluetooth version, range, charging interface, and latency are not specified in the title.