Yellowtec iXm 32GB WLAN SD card; allows storing and transferring audio files from iXm or Podcaster via GSM or other WLAN connection; for connecting the iXm recording microphone to iOS and Android mobile devices via iXm Uplink app; iXm Uplink allows to transfer .WAV, .BWF and MP2 (MPEG1 Layer2) files; recommended for using iXm microphone in combination with iXm Uplink app; storage capacity: 32GB