The following article has information regarding what types of microphones can be used with the R-05.
Dynamic Mics
The R-05 is compatible with any mono or stereo dynamic mic designed for connection to a computer’s mic jack can be used with the R-05.
Condenser Mics
The R-05 is compatible with any mono or stereo condenser mic that requires plug-in power (2.5 volts) and is designed for connection to a computer’s mic jack can be used with the R-05.
NOTE: If the condenser microphone being used requires more power, such as 48 volt phantom power, this will have to be supplied externally. In this case, contact the microphone manufacturer for information regarding how to get power to their microphone.