This is an entirely unscientific comparison of tiny micro shotgun microphones for camcorders and the like. Featuring the Rode VideoMicro, the Joby Wavo Mobile, the Deity D4 Duo and the MCOPlus VM-D02.
If you want to buy one, here are affiliate links
Rode VideoMicro: https://geni.us/TS_RodeVideoMicro
Joby Wavo Mobile: https://geni.us/TS_JobyWavoMob
Deity D4 Duo: https://geni.us/TS_DeityD4Duo
MCOPlus VM-D02: https://geni.us/TS_MCOPlusVMD02