Developer's DescriptionBy Harsh HDSimply Sends The Mic Input to Speaker Output at Realtime...Simply Sends The Mic Input to Speaker Output at RealtimeYou can use it like1.Microphone2.Karaoke3.MegaphoneSupport for1. Bluetooth Headset2. Wired Headphone3. Device built-in Mic4. AUX Cable5. Home Theater6. Audio SystemFor uses like Singing or Announcement