Mad Catz F.R.E.Q.4D Gaming Stereo Headphones Headset with microphone for PC, Mac, and Smart Devices ViviTouch 4D technology provides a new sensory dimension of audio that sounds as if it's alive High-quality, oversize 50mm speakers produce booming stereo audio Tough yet lightweight components designed to withstand the stress of LAN tournaments Earcup-integrated microphone with mute coordinates your team Padded and adjustable headrail accommodates a wide range of head sizes Innovative GameSmart technology enables easy setup with different devices