Product Features and Technical DetailsProduct Features- Ideal for use with all MP3 CD DVD players and portable gamingsystems- Best sound experience- Powerful bass-driven stereo sound- High-performanc e dynamic driver system- Outstanding wearing comfort on the go- Ideal for use with all MP3, CD, DVD players and portable gamingsystems- Best sound experience- Powerful, bass-driven stereo sound- Outstanding wearing comfort on the go- Asymmetrical cable design ensures a high wearing comfort- 2-year warrantyTechnic al Details- Frequ ency response : 22 - 20000 Hz- Cable length : Asymmetric (L: 170 mm R: 510 mm separator -> plug: 850 mm).- Impedance : 32 Ohm - Sound pressure level (SPL) : 109 dB (1 kHz, 1 Vrms)- Jack plug : 3.5 mmplug, rt-angled- Ear coupling : intraaural- Tr ansducer principle : dynamic- Available in Black or White