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Wireless Lavalier Microphone Double Noise Reduction Stereo Sound Microphone with Charging Case for Phone Live Broadcast Camera Features: 1. [Innovative self-recording] Plug in the Tnd it will turn into a professional recording pen in seconds, and easily adjust the recording to obtain better recording effects. 2. [Double Noise Reduction] Honeycomb structure + ANC chip dual noise reduction, can quickly identify the noise type of the environment, dynamically reduce the surrounding environment noise, only your voice, the semi-open dynamic noise reduction technology of the honeycomb mic can quickly identify the location. Environmental noise type, automatically switch to matching noise reduction mode 3. [Real-time Ear Monitoring] Plug in the headphones during live broadcast and you can monitor your own voice in real time, so you no longer have to worry about accidents during the live broadcast. 4. [Dual-core 2.4G chip] The newly upgraded wireless transmission technology not only reduces noise, but also brings stronger signal transmission and synchronization delay. Whether it is live broadcast or talent show, it is stable and continuous. 5. [Clearer stereo sound quality] Reverberation blessing, live broadcast/Korean singing, the sound is more three-dimensional, creating a three-dimensional sense of space, and an immersive live experience. The receiving end supports both Type-c and Lighing outputs, used for mobile phones, Computers, cameras, sound cards, mixers and other equipment Specification: Input voltage: 5V Microphone battery capacity: 150MAH (charging compartment 800MAH) Charging time: about 50min Battery life: about 8H Signal-to-noise ratio: 70DBM adaptive noise reduction Transmission delay: 30MS Sensitivity: -42DB Frequency response range: 20-20KHZ Transmission distance: 100 meters without obstacles Packing list: 2*microphone 1*receiver 1*charging box 3*audio data cable 1*manual