A4Tech Headphones FH280U Conference Over-Ear Headset

Description A4Tech Headphones FH280U Conference Over-Ear Headset Specification Headset Speaker Unit: 40 mm Frequency Response: 20 Hz – 20 KHz Sensitivity: 100 dB Impedance: 32 ohm Microphone Mic. Size: Φ10 mm Frequency Response: 100 Hz -10 KHz Sensitivity: – 40 dB Cable Material: Tangle-Free Braided Cable Cable Length: 200 cm Port: USB System Requirement: Windows 10/11 Mac OS X