"I figured this would be fiddly to set up mid-flight, but ScaFly paired to my headphones instantly and just worked with the seatback jack. I also worried about compatibility on older planes, but with the included adapter it plugged right in and I could finally ditch the icky “free” earbuds. I expected dropouts or weird delay, but the connection stayed solid and the sound was clear the whole movie. The surprise bonus was on the ground: I popped it into my car’s AUX IN and streamed from my phone—no dongle dance, and I could charge while listening. It’s not the cheapest gadget, but between the hygiene, the convenience, and using my own headphones anywhere there’s only a headphone jack, it’s already earned a permanent spot in my carry-on."