Plug and Play: No Bluetooth, No APP, No adapter needed. Just plug the receiver into your devices and turn on the power switch of the transmitters, the two parts will get connected successfully and auto paired immediately. Note: If the matching is unsuccessful, don't worry, just turn off the device and try againOmnidirectional Mic with Noise Reduction: The built-in intelligent active noise reduction chip allows you to record clearly in noisy environments, which can provides more vivid, soft, natural and stereo sound around for recording or real time videoEasy to use: The microphone is completely free from the shackles of wire, allowing you to complete motion shooting, mobile phone recording, and short video production in various large scenes. Clip microphone, you can just clip the microphone on your shirt to free your hand and recording at a remote distance.