It does the job just fine and fits perfectly in my Olympus Pearlcorder S701 while adapting to all my headphones.
William
Olympus PA-1 Specifications
About Olympus PA-1
• Converts 3.5mm plug to 2.5mm plug. This adapter is necessary when purchasing headsets for use with Olympus Pearlcorder Microcassette Recorders. Note: This adapter is not necessary for the Olympus Transcribers.
