I forgot to bring this with me when I went abroad, so it's a new, unopened item. Twelve South AirFly SE Bluetooth Transmitter 3.5mm Earphone Jack TWS-OT-000030 If you have the opportunity to watch a movie on a long-haul flight, plug AirFly into the 3.5mm headphone jack on your seat and enjoy the movie with your wireless earphones or headphones. AirPods, Bose, Sony, and other wireless headphones can also be used. AirFly has a battery life of over 20 hours, so you can keep using it even on the longest flights. In addition, this product uses high-quality, low-latency aptX Low Latency codec technology. *The earphones you connect must support aptX Low Latency. New volume control and a long-lasting 20-hour battery AirFly allows you to easily enjoy movies on airplanes with wireless earphones and headphones by simply plugging it into the 3.5mm headphone jack. The battery lasts for over 20 hours and has an indicator to let you know when to charge. The new volume control allows you to adjust the volume without touching the seatback screen. For example, you can mute the sound with just two taps, even when the beverage cart is passing by. No more cables needed Connect to in-flight monitors, exercise equipment, gaming devices, TVs, etc., and wirelessly transmit sound from AirFly. It supports AirPods, wireless earphones, and wireless headphones, so you no longer have to deal with cables. Easy to use with simple operation AirFly automatically enters pairing mode when turned on, making it easy to connect to your device. It also has a power on/off switch and a reset button on the main unit for easy operation. You can reset it if you need to pair it with another device, and turn it off when not in use to save battery. Accessories include a USB charging cable and a travel pouch.