Meeting the needs of modern audio enthusiasts, this optical audio adapter provides a reliable and efficient way to transfer sound signals. Its compatibility with various devices ensures versatility, while its portable design makes it easy to carry and use anywhere. Enhance your audio setup with this innovative and convenient device. Features -Color:Black -Material:Abs+metal -Size:9.50X9.00X7.50cm/3.73X3.54X2.95in -wireless : ensures stable and longdistance audio transmission, eliminating disruptions for a consistent and enjoyable -Convenient digital display: the easytoread display allows users to monitor the device's performance, simplifying operation and enhancing user experience -Mp3 playback integration: converts wired audio setups into wireless systems, providing a flexible and modern way to enjoy -Dual port design: features optical and interfaces to support multiple audio inputs, delivering sound for various applications -Simple plugandplay design: quick and easy to set up, this device is for home use, professional settings, and outdoor activities Package list: 3 x wireless adapter 3 x 3 .5mm AUX audio cable 3 x RCA audio cable 3 x fiber audio cable 3 -C charging cable