?Tiny to Carry Anywhere?Bluetooth transmitter for tv, weights only 0.5oz, some round shape body, has good compatibility with most Bluetooth headphones. Easy to be store at home and carry in road trip or air in flight to enjoy music. Note: The bluetooth adapter actually only RX-mode can be used in the car. ?Dual Link to Share Fun?The Bluetooth transmitter can be paired to two Bluetooth Headphones or speakers and streams audio to them simultaneously. Enjoy the happiness of watching movies together with your partner using Bluetooth headphones and you will not bother others. ?Airplane Bluetooth Adapter for Headphones?With a low latency encoder applied, the audio delay has been minimized to approximately 40ms, easily streaming wireless stereo audio from in-flight entertainment systems to up to two AirPods or other Bluetooth headphones. ?2-IN-1 Bluetooth Transmitter Receiver?In TX mode, Bluetooth transmitter allows you via 3.5mm AUX to transmit audio from non-Bluetooth devices to Bluetooth headphones or Bluetooth speakers. In RX mode, Bluetooth Receiver connected your smartphone to wired speakers/earphones through Bluetooth. ?Upgrade Bluetooth V5.2?TROND Bluetooth audio adapter equipped with upgraded Bluetooth 5.2 Chip, with high fidelity stereo sound. The Bluetooth adapter support SBC/AAC/aptX/aptX-LL/aptX-HD/aptX-Adaptive etc, with a stronger decoding ability and more stable connection.