Wireless Lavalier Microphone for iPhone/Android/Camera/PC/Laptop, Lightning/USB-C/Plug Mini Lapel Microphone Wireless, Hi-Fi Audio, Noise Cancellation for Video Recording, Streaming - Black Combo music_UK_update_2021 The diameter of 4 holes

The diameter of 4 holes is 2cm

From the Manufacturer Hercules HDP DJ60

Use a screwdriver to loosen and remove the adapter’s locking pin 2

M4/3) Mount Mirrorless Camera Body as DMW-MA1 MMF-1 MMF-2 MMF-3

Please check compatibility list before Order)

Wireless Lavalier Microphone for iPhone/Android/Camera/PC/Laptop, Lightning/USB-C/Plug Mini Lapel Microphone Wireless, Hi-Fi Audio, Noise Cancellation for Video Recording, Streaming - Black Combo music_UK_update_2021 The diameter of 4 holesWireless Lavalier Microphone for iPhone Android Camera PC Laptop, Lightning USB C Plug Mini Lapel Microphone Wireless, Hi Fi Audio, Noise Cancellation for Video Recording, Streaming Black Product Features Hi Fi Studio Grade Sound QualityWith one touch noise cancellation, this microphone features First class noise cancellation technology to take your creativity to the next level. With a 65dB signal to noise ratio, it ensures excellent audio signals