MP3 Telephone Recorder

This MP3 telephone recorder can record up to 50 hours of conversation on it’s 128Mb flash memory. Recording can be set up to automatically or manually run and it sits right in between your phone and the wall socket. To keep conversations secure the recorder uses a different format that is not standard. Password protection protects the device so that others cannot snoop on what calls you have made. When transferring files to the PC they are converted in to MP3.

If 50 hours of recording is not enough then you can increase this by using up to a 2GB SD card.

Via: SpyReview