Minimum_Frequency_Response - 50 HznMaximum_Frequency_Response - 16 kHznConnectivity_Technology - WirednManufacturer - Sony CorporationnExtremely small and inconspicuous, the new ECM-CS10 Microphone clips easily to clothing for convenient hands-free recording. Perfect for business meetings or lectures, this Omni-Directional Stereo Microphone comes with an Integrated Stand, a 2-way power supply and an L-Shape Mini-Plug that fits most portable recorders.