Most users will use these microphones connected to a camera of some kind, so on-board storage won’t be needed. Rode says that the new Wireless GO system can operate up to 260 meters from the ...

Rode Wireless Micro: An On-the-Go Mic Setup That Just Works ... 2 Wireless Mics with hinged and magnetic clips 2 Windscreens ...

That only gives you one microphone, however, and it doesn't have its own storage. There are also a number of Rode Wireless Go packages; the one most like the DJI is the Wireless Go 2 Dual Channel ...