Logitech G533 Wireless or wired 7.1 DTS virtual surround gaming headset with mic , 7.1 DTS surround sound , Pro-G audio + DTS headphone:X , positional virtual surround audio , noise canceling microphone with micro pop filter , on-ear audio inline controls ( volume roller + mute + power ) , programmable mute button , Pro-G 40mm drivers with neodymium magnets , 20Hz-20kHz , 32ohm , 107dB – USB