2 Microphones 3 in 1 universal receiver & Easy Automatic ConnectionCompatible with iPhone/iPad/Android/Camera/PC. It can record two sound sources at the same time. Of course, you can also use a microphone alone. Just clip the AIKELA wireless microphones to your collar and plug the receiver (Lightning/TYPE-C/3.5mm port) on your devices, they will automatically connect. Just plug and play directly, APP and Bluetooth are not required. Perfect for two-person team creator to do Interview/Vlog/Youtub