VMALL Logitech H111 Stereo Headset 3.5mm multi-device headset Black

-Input Impedance: 32 Ohms

-Sensitivity (headphone): 100 dB +/-3 dB

-Sensitivity (microphone): -58 dBV/µBar, -38 dBV/Pa +/- 4 dB

-Frequency response (Headset): 20 Hz to 20 kHz

-Frequency response (Microphone): 100 Hz –16 kHz

-Cable length: 1.8 m

-Warranty: 2Years