Gembird Headphones Gaming with Microphone Black MHS-001

Specifications
Sensitivity (at 1KHz): 105 +/-3 dB
Impedance: 32 Ohms +/-15%
Diffusers: diameter 40 mm, 16u mylar
Frequency response: 20 - 20000 Hz
Input power: up to 100 mW max
Distortions: < 3% at 1 KHz 40 mW
Microphone: omnidirectional condenser; sensitivity: -58 ± 3 dB(0 dB=1V/uBar at 1KHz), -38dB (0 dB=1V/Pa at 1KHz), 30 - 16000 Hz
Net weight: 0.2kg
Cable length: 1.8m