1 Premium stereo sound High-quality audio for phone calls or listening to music. 2 Superior sound with digital USB 2.0 connectivity Excellent reliability and clarity. 3 Noise cancelling microphone Automatically picks up your voice with remarkable clarity. 4 Comfortable leatherette ear pads Listen and play for hours in total comfort. Dimensions Length: 7.04" / 178mm Width: 6.38" / 162mm Optimized for Skype Do more together, with Skype products from Microsoft. Ideal for voice and video chat Hear friends and family as if they were there. Ideal for listening to music Hear your favorite bands in high-quality audio. Two-year limited warranty See the limited warranty and license agreement. System requirements Computer Requires a PC that meets the requirements for and has installed one of these operating systems: Microsoft Windows 10, Windows® 8.1, Windows 8 and Windows 7 Hard Drive space 60 MB free Connectivity USB 1.1 port or higher (USB 2.0 recommended) Other information Intel Pentium® III 550 MHz (Intel Pentium 4 1.4 GHz recommended) or higher. You must accept License Terms for software download. Internet access required; access fees may apply. Operating systems Compatible Not Compatible Limited Functionality Windows Mac OS X Android iOS Win 10 64 bit Mac OS 10.10 Android 5.0, Nexus 9 iOS 8 Win 10 32 bit Mac OS 10.9 Android 4.4.4, Nexus 5 iOS 7 Win 8.1 32 bit Mac OS 10.8 Android 4.2 iOS 6 Win 8.1 64 bit Mac OS 10.7 Android 3.2 Win 8 32 bit Win 8 64 bit Win 7 32 bit Win 7 64 bit Win RT 8.1 Win RT 8