Human engineening design, aluminum alloy shell, fashionable apperance, Comfotable wearing. Triple frequency equency equalization. The Voice acoustic full, broad, powerfull bass. DESCRIPTION OF GOODS Stylish and fashionable design. A special feature of this model of headphones is that you can hear closest to the “real” sound with the help of a powerful driver 14.2 mm. The flat design of the wire and its high grade quality to prevent anti-winding or more simply do not tangle. In addition, the cable is placed in omnidirectional microphone sensitive c with adjustable volume for receiving calls or play music. Lightweight and durable. Headphones are made of plastic, so you will not feel any pressure, even if you wear them for a long time. Headphone jack gilded, which improves the quality of the music. SPECIFICATIONS: Material: Metal Driver: 14.2 mm Frequency response: 20 ~ 20,000 Hz Sensitivity: 90 ± 3 dB Impedance: 32 ± 15% ohms