This product utilizes the latest technology, with the transmitter and receiver automatically connecting wirelessly. No dedicated app or Bluetooth is required; it's plug-and-play, so you can use it immediately by inserting it into your device's port. It features a high-density windproof sponge for clearer omnidirectional sound pickup. Advanced barrier-free transmission ensures stable signal reception. It easily connects to microphone-compatible devices like mobile phones and cameras, both indoors and outdoors. It eliminates the inconvenience of traditional wired microphones, allowing for clear video recording with ease!