Verbatim Stereo Headphone Classic - Black Over-the-head adjustable design 40mm drivers deliver rich, over-ear acoustic sound In-line microphone for answering phone calls whilst on-the-go Modern stylish design Verbatim\'s Over-Ear Stereo Headphones feature soft ear pads to ensure that you are always comfortable, whether listening to music for hours on end, gaming, or watching back to back movies.The lightweight body produces a stunning rich acoustic sound. The headphones feature an inline microphone and are compatible with any device that has a 3.5mm output jack including mobile phones, tablets, audio devices and laptops. Features and Benefits: 1.2m cable allows freedom of movement whilst wearing Over-the-head design can be adjusted for different head sizes 40mm drivers deliver rich, over-ear acoustic sound Modern, stylish design and colours Product Specifications: Plug Type: 3.5mm Gold plated Cable Length: 1.2m Driver Diameter: 40mm Frequency Range: 20-20,000 Hz Sensitivity: 97dB +/- 3dB @ 1kHz Input Impedance: 32 Ohms Sound Output: Stereo