These folding overhead stereo hands-freeheadphones feature a slim, folding design.With a padded and adjustable headband,you'll be jamming in comfort. Features abuilt-in mic and answer button Compatiblewith most 3.5mm jack devices. Available intrendy, bold colors and trendy prints.ë Slim folding designë Stereo sound qualityë Built-in mic & answer buttonë Comfortable, padded ear cushionsë Adjustable headbandë Compatible with most 3.5mm devicesë Speaker Size: 40mmë Frequency Range: 20-20,000Hzë Speaker Impedance: 32 Ohmsë Cord Length: 4ft