https://alexnld.com/product/nux-b4-plus-2-4g-110db-wireless-microphone-mic-system-transmitter-receiver-system-for-camera-amp-audio-rechargable/?hilite="BOYA BY-WM4 Pro K5 Dual-Channel 2.4G Wireless Lavalier Microphone System with Transmitter and Type-C Receiver for Smartphones and Cameras"