This module is a core modules which highly integrated audio codec, wireless WIFI, routing, and other functions. It is widely used in smart home device remote control, wireless router, AP programs, Internet remote control, VOIP and other fields. It realize the function that the music on your phone, computer, ipad and iphone is transferred to stereo via DLNA protocol or airplay via wifi wireless network. It replaced the previous audio cable transmission with digital audio transmission in wifi network to improve audio fidelity with Better sound quality and longer Transmission distance. One Side of the product is mobile phone or a computer, and the other side is a sound, you can begin to enjoy the wonderful music just by a simple operation.