Headphones - headset, ear, open construction, 3,5mm Jack, 6,3mm Jack, with volume control, frequency range: 15 Hz-25000 Hz, sensitivity: 103 dB/mW, impedance: 60 Ohm, cord length of 1,25m These unique, light-weight, titanium-finished headphones reproduce sound clearly and accurately in a wide frequency range of 15-25,000Hz. They are equipped with an adjustable headrest with soft padding for optimum comfort. The headphones will sit perfectly on your head without pressing, digging or discomfort. The 125cm cable is equipped with a built in volume control and you can choose either the 3.5mm or the 6.3mm connector jack.