Airplane Adapter Plug: This Bluetooth adapter comes with a 2-pin airplane adapter plug. The dual 3.5mm airplane headphone adapter helps you connect the Bluetooth adapter to in-flight entertainment systems, making it compatible with any airplane. Dual Headphone Sharing: The Bluetooth adapter allows simultaneous connection of two Bluetooth headphones or speakers, letting you enjoy movies or music with friends or family. 2-in-1 Bluetooth Adapter: This Bluetooth transmitter and receiver lets you stream audio to your Bluetooth headphones, earphones, or speakers from your TV, PC, or in-flight entertainment system in transmitter (TX) mode. In receiver mode, it connects your smartphone, tablet, or laptop to wired speakers, headphones, home stereo systems, or car audio systems via Bluetooth. Plug and Play: Connect to your audio system via 3.5mm AUX or optical cables. Pair it with your device in seconds without the need for apps or complicated setups. Multiple connection options: supports 3.5mm and optical audio inputs, providing you with the most flexible and secure connections. It is compatible with 99% of TVs, projectors, computers, cars, home stereo systems, speakers, in-flight entertainment systems, and more.