The Twelve South AirFly Duo is a unique dongle that allows you to connect Bluetooth earbuds and headphones to in-flight entertainment systems, as well as other audio jacks like those found on gym equipment, gaming systems, or TVs. Normally priced at $45, this device is currently on sale for a record low of $30, making it a great addition to your travel gear. With the ability to connect two sets of earbuds or headphones at once, it’s perfect for sharing movie or music experiences with a travel companion. The AirFly Duo uses aptX Low Latency Codecs to minimize audio lag and boasts a battery life of over 22 hours, ensuring it lasts through long-haul flights. While not a necessity, this device offers convenience and flexibility for those who prefer wireless audio solutions.