M10 One-two Wireless Microphone with Charging Case, Type-C, Apple Interface 2 in 1 Wireless Lavalier Microphone, 3 Levels of Noise Reduction, for Youtube, Recording, Video Blogging, Facebook Live Streaming

SKU: KF10.056

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1. make sure the microphone is fully charged 2. plug in the receiver and try again 
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1. when it is in silent mode, double click the button to switch to silent mode 2. check whether the pairing was successful, the green light of the transmitter is always on, the red light of the receiver is always on . 
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Please avoid noisy places and complex environments as this product is a Bluetooth wireless system, which may cause interference when there are many WIFI routers, Bluetooth devices and other wireless devices nearby. 
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The headset is designed to listen to your own voice, so please turn your phone speakerphone on.