Advanced Bluetooth 5.4 Technology: Experience seamless audio transmission with the latest Bluetooth 5.4 , ensuring high fidelity sound and lower power consumption. Versatile 3.5mm AUX Connection: Easily connect to a wide range of devices including airplanes' entertainment systems, , PCs, and headphones, making it perfect for travelers and home entertainment enthusiasts. Built-in Microphone: Enhance your call quality and voice commands with the integrated microphone, ideal for hands-free communication. Compact and Portable: Designed for mobility, this adapter fits perfectly in your travel bag or pocket, providing audio solutions on-the-go. Wide Compatibility: Compatible with various devices and , ensuring you stay connected wherever you go. Color: White Material: ABS Package Contents: 1Set x Bluetooth 5.4 Receiver And Transmitter 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.