This product is a smart wireless microphone that provides professional-grade recording output. Plug and play, no APP required. Multiple uses: It can be used for online live broadcasts, video Vlog shooting, program interviews, interview recordings, video teaching and other occasions. Achieve long-distance high-definition radio for online live broadcast, video VLOG shooting, interview radio, video teaching and other occasions Automatic noise reduction, reverberation, monitoring, external playback, and mute function 2.4G wireless couplet, automatically connected when turned on, easy to operate, supports one-to-two use Can be used for Apple phones, tablets and other devices Comes with a charging compartment to charge the microphone, which is convenient for storage and portable when going out Specification: Product model: MW-15 Response speed: andle 20ms Frequency response range: 20Hz-20KHz Signal to noise ratio: 60dB Microphone battery: 70mAh Charging box battery: 600mAh Microphone working time: 8 hours Charging case working time: 48 hours Weight: 180g