Zettaguard Wireless PC USB Gaming Receiver for Xbox 360 Compact Disc 100% brand new and high quality Works with current and further Xbox 360 wireless accessories Uses integrated 2.4 gigahertz (GHz) high-performance wireless technology that operate a wireless device from up to 30 feet away Connects to a powered USB 2.0 port on a computer This device cannot support Windows 8 System;XBOX 360 Gaming Receiver supports maximum 4 Wireless Controller & 4 Wireless Headsets simultaneously.