Key Features Converts a 3.5mm jack to a 2.5mm jack/connector ---- The PA3 from Olympus will convert your 2.5mm plug to 3.5mm when using external microphones with a digital voice recorder.

Key Features Converts a 2.5mm jack to a 3.5mm jack/connector ----   The PA-1 Plug Adapter from Olympus is an essential accessory for headsets purchased for use with Olympus Pearlcorder Microcassette Recorders. This adapter converts the standard 3.5mm plug into a 2.5mm plug, making your headset compatible. This adapter converts a 3.5mm headset jack...