The Olympus SEMA-1 External Microphone Adapter Set is used to record movies with high-quality audio from your Olympus E-P2, & E-PL1 digital cameras.You can connect the external microphone adapter EMA-1 to your camera’s accessory port and record quality sound with the Olympus ME-51S stereo microphoneConnect the stereo mini jack (3.5mm) with the Olympus adapter via the extension cable and clip and keep the microphone at the desired place to start recordingThe Olympus SEMA-1 External Microphone Adapter Set enables you to record sound with reduced wind noise