ABS & PP Adjustable Headphones with Microphone. Includes a 4-Button Sound Control: Volume Up & Down, Microphone Off & Mute. 20Hz-20Khz Frequency Response, 32O Impedance, 1.85 M Cable & USB a Connection. Supplied in a Gift Box. 170 x 185 x 75 Mm; Certificates Available: Emc, Emc Minimum Quantity: 1