Versatile 2-in-1 Functionality: This device serves as both a transmitter and receiver. As a transmitter, it connects non-Bluetooth devices like and MP3 players to Bluetooth headphones or speakers using a 3.5 mm cable. As a receiver, it allows non-Bluetooth speakers or car stereos to receive audio from smartphones or other Bluetooth-enabled devices. Advanced Bluetooth 5.3 & Chip: Equipped with the latest Bluetooth 5.3 and a high-quality chip, this adapter ensures a stable, fast connection up to 10 meters away. Ideal for enhancing your audio experience in places like airplanes or with any non-Bluetooth TV. Effortless Setup and Instant Pairing: Designed for ease of use, this Bluetooth adapter enters pairing mode automatically upon powering up. A handy reset button allows for quick re-pairing with different devices, ensuring a seamless user experience. Cord-Free Audio Experience: Enjoy the freedom of wireless audio from in-flight entertainment, gym machines, or any device with a 3.5mm jack. Compatible with a wide range of wireless headphones and speakers, this adapter simplifies your audio connectivity. Note: Not compatible with for 3/4/Pro, for , for , and for Bluetooth headphones. Simultaneous Dual Connection: In transmitter mode, connect to two Bluetooth headphones or speakers at once. In receiver mode, pair with two smartphones or computers simultaneously, making it perfect for sharing audio or managing multiple devices. Color:As Shown Material:Metal Package Contents: 1 * Audio receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.