https://alexnld.com/product/synco-wmic-t1-wireless-lavalier-microphone-system-lapel-video-mic-16-channel-max-50m-transmission-range-for-camera-and-smartphones/?hilite="MAMEN KT-W1 UHF Wireless Microphone System Lavalier Mic with Transmitter for SLR Camera Smartphone Video Interview Record Microphone"