A4Tech FH200i Conference Over-Ear Headphone

Description A4Tech FH200i Conference Over-Ear Headphone  Specification Speaker Unit: 50 mm Frequency Response: 20 Hz – 20 KHz Sensitivity: 100 dB Impedance: 16 ohm Microphone Frequency Response: 100 Hz-10 KHz Sensitivity: -44 dB Cable Material: Tangle-Free Braided Cable Cable Length: 180 cm PC Extension Adaptor: 15 cm Port: 3.5 mm