Never used, just taken out of the packaging to take a picture.
Technical details :
Headphones:
– Speaker: 40mm
– Impedance: 32Ω±10%Ω
– Sensitivity: 108dB±3dB
– Frequency Response: 20Hz to 20kHz
– Microphone: 6*5.0mm
– Cable Length: 1.8m
– Plug: 3.5mm
– Dimensions: 83*195*180mm
– Product Weight: 187g
