If you are plugging a pair of headphones into your hi-fi system or TV, it is unlikely that you are only going to sit there for 5 minutes wearing them. If you are listening to entire music album or watching a film it could end up being hours before you take them off your ears, which is why maximum wear comfort is must have for the best sound experience. And comfort is exactly what you will get with the Hama HK-3031 Over-Ear Stereo Headphones. Ideal for use with hi-fi and entertainment systems these sleek and stylish headphones have perfectly fitting, closed ear padding and to ensure maximum protection against ambient noises as well as an adjustable headband and single sided 2m cable for increased wearing and carrying comfort during long periods of use with no frustrating tangles. With a frequency range of 20Hz-20kHz, sensitivity of 113dB and impedance of 32Ohms, sound is pumped through the Oxygen Free Copper (OFC) inner conductor for better single transfer and crystal clear clarity with a gold plated 3.5mm jack adapter to minimise interference. There is even a gold plated 6.35mm adapter included so the headphones can be connected to stereo systems, mixing boards etc. with a 6.35mm output for convenient compatibility and production of high quality, uninterrupted sound across the range of entertainment devices.