Data is preserved on the SD card by the WAVE form.
The setting of the sampling frequency can be changed.
(8000, 11025, 16000, 22050, 44100 or 48000)
･Change and deletion of file name became possible from the history.
- record audio
- wake lock (to background recording)
- write to external storage (to store recordings)
- internet access (only for ads)
- access network state (only for ads）
- read phone state(to record properly when the call comes in)