stream audio from one ios device to multiple ios devices at the same time

********i need details on how the developer will execute using multicast or unicast and details on how they will provide syncing functionality********** This application will stream audio over bluetooth from one iOS device (SRC) to multiple iOS devices (SNK). Streaming Functionality: Any iOS device will have ability to be the SRC. The SRC device will have ability to play music files from iOS music library. App must support streaming up to 5 SNK devices. Audio play on SRC and SNK devices must be synchronized with no audible time delay. User Interface: SRC and SNK devices will be identified by their iOS device name. The SRC device will have ability to see list of SNK devices receiving audio. The SNK device will have ability to see list of SRC devices broadcasting audio