Compatible with nearly all PCs and laptops with an available 3.5mm port and Win 2000/XP/Vista/7, Mac OS X, Linux operating systems. Extra-long 6 foot USB cable. Highly sensitive omnidirectional microphone that can be folded away when listening to music or movies. Ideal for voice and video chat, Skype, voice recognition software, and online PC gaming. Soft foam ear-pads and adjustable headband for the perfect fit and comfort. Digital studio sound quality from 30 mm drivers that deliver frequency response of 20Hz - 20KHz. Connectivity Technology: Wired. Works with MP3 players, CD players, or any device with a 3.5mm audio out. Ergonomic and adjustable headband and boom arm. Noise-cancelling/270-degree Omni-directional microphone. Soft bass with wide extensity. Lightweight stereo headset.