Insta360 Mic Air Transmitter
$39.99
For great audio on my Insta360 4x, I use the Insta Mic Air,. A great little device always taking care of my audio recording outside.
7.9g Ultralight, Wireless Microphone, Noise Cancelling, Vlog, Streaming, Compatible X5/X4/X4 Air/Ace Pro 2/GO Ultra