GX0183B Allows you to use Xbox360 game accessories on PC computers and play games through cross-platforms High transmission speed and stable performance Can connect with many Xbox360 accessories including Xbox360 wireless controller， wireless steering wheel and wireless earphones With a receiver of this kind， you can connect simultaneously with up to 4 Xbox360 wireless controllers， 4 wireless earphones and many other wireless accessories Frequency: 2.4GHz Operating range: 10 meters Port: USB 2.0 Configuration requirement: Windows XP Service Pack 1 or above; Windows Vista/7; Pentium 300MHz or above; 128MB or above memory， 150MB or higher hard disk space Package Details Weight: 139.10 g Size: 19.5*13.5*4.5 cm Package Includes * PC Wireless Gaming Receiver for Xbox 360