These Defender headphones are made for everyone that is searching for something very reliable and simple. The headset is quite comfortable as it has the open earcup design which makes them quite easy to fit and adjust. These headphones provide an adjustable headband (neckband) for more adjustments. The 1.8m cable provides decent length for your headset to move it around, making it easier for you to find the best spot from where to use them. They are compatible with all mobile devices. Can also be used for a PC. Headset has the standard 3.5mm jack cable connector. It has an additional volume control on the cord for proper volume adjustments directly for the headset.