The Twelve South AirFly Duo has dropped to $29.99, which is a new all-time low. | Image: Twelve South When you're flying, noise-canceling earbuds like the AirPods Pro are great for tuning out the world, but they come with one drawback: they don't work with the in-flight entertainment systems on airplanes. Luckily, Bluetooth transmitters like Twelve South AirFly Duo exist that solve that problem for you, and right now, you can buy one for an all-time low price of $29.99 ($15 off) at Amazon and Best Buy.With its integrated 3.5mm cable, the Duo is dead simple to use: just plug into the headphone jacks on seatback entertainment systems, pair up your Bluetooth-equipped wireless headphones or earbuds, and you're good to go. The beauty of this is that you'll probably end up enjoying even better audio quality, too, as in all likelihood, your... Continue reading...