What are the differences between different DJI Mic Mini 2S combos? How should I choose?

DJI Mic Mini 2S (2 TX + 1 RX + Charging Case) includes a charging case, one receiver, and two transmitters, suitable for two-person audio recording, and providing extended battery life.

DJI Mic Mini 2S (1 TX + 1 RX) includes one receiver and one transmitter, suitable for single-person audio recording of individual creators.

DJI Mic Mini 2S (1 TX + 1 Mobile RX + Charging Case) includes one DJI Mic Mini 2 Charging Case (1 TX + 1 Mobile RX), one DJI Mic Series Mobile Receiver, and one transmitter. It is suitable for solo creators and other single-person audio recording scenarios with smartphones.

The DJI Mic Mini 2S Transmitter can be used with mobile phones, Osmo Pocket 4P, Osmo Action 6, Osmo Nano, Osmo 360, and other ecosystem devices. In addition, you can purchase extra DJI Mic Mini 2S transmitters on top of the DJI Mic Mini 2S combo, or pair it with your existing DJI Mic Mini 2/Mic Mini transmitters (updated to the latest firmware) to enable a four-transmitter, one-receiver setup.