high quality Professional-grade wireless microphone: The 2.4G wireless technology provides stable and interference-free transmission for professional-grade sound quality. The lapel design allows you to easily clip the microphone onto clothing for hands-free recording.Noise reduction: The microphones are equipped with noise reduction technology, which helps to eliminate unwanted background noise and ensure clear, high-quality sound recordings. This makes them ideal for recording interviews, vlogs, and other content where audio quality is crucial.Long battery life: The included charging case provides up to 30 hours of continuous use and can charge the microphone up to 6 times, while each microphone and receiver can work for about 6 hours per charge, ensuring that you can record for extended periods without worrying about battery life.Automatic synchronization: The microphones are designed to automatically sync with each other, ensuring that you get synchronized audio when using both microphones simultaneously. And the 360 surround pickup makes the sound more three-dimensional.Easy to use: With plug-and-play functionality, the microphones can be set up quickly and easily, without the need for complicated software or technical expertise. The function is displayed on the microphone, and the longest transmission distance is up to 65ft (20 meters).