Ear coupling Circumaural
Microphone frequency 100 - 6500 Hz
Mac operating systems supported Mac OS X 10.5 Leopar
Maximum cable length 1.8 m m
Frequency range 20Hz to 20kHz GHz
Windows operating systems supported Windows 7 Enterprise
Headphone frequency 20 - 20000 Hz
Microphone sensitivity -44 dB
Frequency range 20Hz to 20kHz
Connector type 3.5 mm
Headphone sensitivity 122 dB
Impedance 22 Ω
Frequency range 20Hz to 20kHz Hz
Minimum system requirements Windows Vista®, Windows® 7, Windows 8, Windows 10 or later; Mac OS X 10.5 or later; Chrome OS™; Linux Kernel 2.6+; iOS (iPhone, iPad and iPod); Android™; Single 3.5 mm jack
Sensitivity 122dB +/-3dB dB
Packing quantity 4 pcs