Characteristics and Interoperability The detachable RGB Fantech HG26 Alto 7.1 Surround Gaming Headset Witch Noise Canceling Microphone Computer gamers who are wired ALTO 7.1 Immersion HG26 Superior Comfort Lighting Effects with Surround Sound Cancelling Noise Microphone Simple Volume Adjustment 50mm speaker driver Harmony: Mac OS X and Windows are the operating systems. USB port necessary. Program: Windows 7 or later