Product Description Yison HP-162 Foldable Professional High Bass HeadphoneAvailable in 3 Different Colors: Black, Blue and WhiteSkin-friendly material earmuffs with soft sponge insideABS plastic headphone shellHigh quality PU head beamRotatable and retractableYou will never have the feeling of discomfort and tiredness when wearing the headphone long timeVigorous intermediate frequency, powerful low frequencyFrequency range: 20-10000HzResistance: 32ΩAperture thickness: 16μmSensitivity: 105dB ± 3dBDistortion: ≤5%Rated Power: 20mwPower Rating: 50mw