Olympus VN-5500
monaural microphone, only the built-in memory (512 MB), segment display 1.36", 2xAAA
Rating: 
Brand history
Recorders
Olympus VN-7500
monaural microphone, only the built-in memory (2 GB), segment display 1.36", 2xAAA
Rating:
Olympus VN-8600PC
monaural microphone, only the built-in memory (2 GB) PC connection, the matrix screen 1.61", 2xAAA
Rating:
Olympus VN-8700PC
monaural microphone, only the built-in memory (4 GB) PC connection, the matrix screen 1.61", 2xAAA
Rating: