System requirements Windows® or Mac® OS computers or laptops / Tablets or smartphones / MP3 players Specifications Driver unit?40 Sensitivity91 dB ± 3 dB @ 1K Hz Frequency response20 Hz – 20K Hz Cable length2 m Connection3.5 mm jack MicrophoneYES Impedance24 ± 15% ? ColorsBlack What's included Lychas HS-G560 Warranty One year limited hardware warranty* * Warranty void if unauthorized opening or repair.