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Wireless Lavalier Microphone Dual Noise Cancelg Stereo Microphone With Charging Case For Cell Phone Live Streaming Camera Features: 1. [Innovative self recording] Insert a TF second professional recording pen to easily adjust the recording for better recording results. 2. [Dual noise reduction] Honeycomb structure+ANC chip dual noise reduction, can quickly identify the type of noise in the environment, dynamically reduce the surrounding environment noise, only exclusive to your voice. Honeycomb microphone semi open dynamic noise reduction technology, quickly identify the type of noise in the environment, and automatically switch to matching noise reduction modes. 3. [Real time ear feedback monitoring] When live streaming, plug in the earphones to monitor your own voice in real time, and you are no longer afraid occidents during the live broadcast. 4. [Dual core 2.4G chip] New upgraded wireless transmission technology not only reduces noise, but also brings stronger signal transmission and synchronization delay, whether it is live streaming sales or talent exhibitions, stable and continuous. 5. [Clearer Stereoscc Sound Quality] With the support of reverberation, live streaming/karaoke, the sound creates a more three-dimensional spatial sense, providing an immersive on-site experience. It is suitable for devices such as mobile phones, computers, cameras, sound cards, and mi consoles. Specifications: Input voltage: 5V Microphone battery capacity: 150MAH (charging compartment 800MAH) Charging time: approximately 50 minutes Range: Approximately 8H Signal to noise ratio: 70DBM adaptive noise reduction Transmission delay: 30MS Sensitivity: -42dB Frequency response range: 20-20KHZ Transmission distance: barrier free 100 meters Packaging list: 2 * Microphone 1 * Receiver 1 * Charging compartment 3 * Audio data cable 1 * Instructions