Rode Videomicro brand_Leica This is a good quality

This is a good quality part with a black finish and rubber bumpers to keep your camera scratch-free- and it swivels out of the way to give you easier access to the rear dial

but they are there

Slight corrosion on one battery contact that doesn't affect function (it's been cleaned)

minding your own business

possibly for attachment to some kind of support

Rode Videomicro brand_Leica This is a good qualityThe Rode Videomicro is a tiny camera mounted microphone that slips onto a hotshoe, connects to your camera's microphone port, and requires exactly zero batteries to do it. Includes a mic cable and a Tribble, basically (it's a wind cover).