Sony TCM-150 Standard Cassette Voice RecorderThe TCM-150 Standard Cassette Voice Recorder is an entry-level Sony voice recorder that gets the job done without breaking the bank. Using affordable and easily replaceable standard cassettes, and powered by just 2 'AA' batteries, the TCM-150 has a low operating cost. The recorder also has a number of useful features including one button recording, a large playback speaker, an earphone jack, and Sony's Clear Voice recording system. If you're looking for a way to record on a budget, or without complicated or hard to find media, the TCM-150 answers the call.