CP0297X Features Delicate design with a slim appearance Wide application Convenient 2m cable General Specs Brand & Model YUEBA YB-028  Microphone Dimensions 9.7mm x 4.5 mm Sensitivity -58dB ± 2dB Directivity Omni-directional Impedance  ≤2.2kΩ Frequency Range 20Hz-20kHz Cord Length 2 m Plug Type 3.5 mm