Connect and play on your NES system wirelessly using PS4, PS3, Wii Remote, Wii U Pro and all 8bitdo controllers Windows and MacOSX compatible (via X-INPUT) Built-in CPU and FLASH memory chip with upgradeable firmware Multiplayer capability (for 2 to 4 players; one receiver required per controller) The Retro Receiver is a Bluetooth dongle; it enables 8Bitdo controllers to connect to the NES wirelessly and also allows the use of PS3, PS4, Wii remote and Wii U Pro controllers. It is no longer a dream to play NES games wirelessly. The Retro Receiver also supports Windows (X-INPUT) MacOSX（X-INPUT）and PS3. Description: - Designed as an homage to the original NES - Built-in CPU and FLASH memory chip with upgradeable firmware - Additional buttons mapped to turbo on all controllers - Compatible with two-four Retro Receivers for multiplayer player games - Power: DC Power supply 5V, 100mA(powers directly from the NES controller port) - Connect and play on your NES system wirelessly using PS4, PS3, Wii Remote, Wii U Pro and all 8bitdo controllers System Compatibility: - Original NES (all models) - Analogue Nt - All systems with an NES-style controller port Controller Compatibility: - All 8Bitdo controllers and arcade sticks - Dualshock 3 , Dualshock 4 - Wii Mote, Wii U Pro Connectivity: - Bluetooth 2.1+EDR, Class 2 - 2.402Ghz~2.48Ghz Package includes: 1 x Pretro Receiver for NES 1 x Micro USB