This expansion base is specially designed for Crane M3, provding a mic connector and storage space for the bluetooth control module.
Transmount Expansion Base for Crane M3
Based on 2 reviews
nice add-on, good build quality, very sophisticated - but unfortunately, we live in a world with too many standards and I can not use all the features with my current cameras
Works great with my sony zv1 camera 😀 Really happy now