Multifunctional Bluetooth transmitterr: The 2-in-1 Bluetooth adapter uses the latest Bluetooth 5.3 technology, providing faster transmission speeds, more stable connections, and lower latency. Supporting transmit (TX) and receive (RX) modes, it can easily transmit audio from TV, airplane, computers and other devices to headphones or speakers wirelessly, completely saying goodbye to the constraints of audio cables.Dual device pairing, enjoy sharing: Airplane bluetooth adapter support connecting two Bluetooth devices at the same time, easily switch audio sources or share music and videos with friends. Suitable for multi-person scene needs, enhance the fun of use.Bluetooth transmitter receiver for headphones: Plug the Bluetooth 5.3 transmitter into the aircraft or TV in TX mode, connect wireless headphones via Bluetooth, and get rid of wired troubles. Worry-free transmission within 10 meters, equipped with a 3.5MM jack AUX adapter, suitable for various aircraft audio interfaces.Widely compatible, multi-device support: dual bluetooth transmitter compatible with a variety of devices, suitable for Air Pods, headphones, speakers, fitness equipment smartphones, game devices ( PSP, Nintendo Switch), cars, audio, etc., so that every device can enjoy the efficient connection and audio transmission.Quick charging via USB-C port: The bluetooth adapter for tv built-in long-lasting battery can last for 16 hours in TX mode and up to 13 hours in RX mode, allowing you to use it with peace of mind without frequent charging.