best setting for noise reduction

Hi, my os - win10 64bit, audacity version- 3.1.3. please suggest me best settings for noise reduction, by settings i meant these values- https://i.imgur.com/EK482QJ.png
i’m editing audio files of voice conversation recorded in low quality mic and the track is stereo. here the noise is Constant hiss cause by low quality mic. please listen to this link to hear the noise- http://sndup.net/y69c