Wirelessly connects two Wii Classic Controllers, Classic Pro or Wii Nunchuks to your PC-USB. Enjoy the mobility and freedom of wireless gaming with this unique adapter! Features Connects two Wii Classic Controllers, Classic Pro, Wii Nunchuks to your PC USB or PS3*, just plug and play. 2.4 GHz wireless technology with stable signal transmission up to 10 meters. Powered by 3 1.5 Volts AAA batteries for longer playing time (Batteries are not supplied). Battery Conservation Mode helps reduce unwanted drain on batteries. Compatible with Windows Vista and Windows 7, 32 and 64 bits.* Compatible with some Wii Joysticks, dance pads and Racing wheels*. Package Includes 2 Port Wireless Wii Controller Adapter USB Receiver NOTE: PS3 USB compatibility may be disabled if installed system software is 3.5 or greater, Windows 98, Me, 2000 and XP SP3 32 Bits require installation of a driver that can be downloaded from Mayflash official website. Not compatible with accessories that require a Game Cube controller port.