USB-Headset KM9200

Headphone description cartoon packing new design good quanlity cheap in the price Frequency range20-20KHZImpedance32ohmMaximum power input100mwSensitivity91dB.S.P.L.at 1K HZ ±2%Plug3.5mm stereoLength of cord2m ±3% Warning Adjust headphones soud to the proper volume ,loud sound may demage your ears.for traffic safely,never use the headphone while riding a bicycle,motor bike,or while driving a car .It is danderous to increase the volume too much because you can not hear external sounds ,take great care about traffic aroud you. Caution: KOMC Will no longer guarantee the performance or warranty if the user attempts to inspect or modify this pruduct in anyway.