Features： 1.MULTIPLAYER USE: Multiplayer wireless controller adapter for Sega Dreamcast console allows the use of up to 4 connected controllers. It is an open source project based for darthcloud, using the popular ESP32 chip. 2.CONTROLLER COMPATIBILITY: Wireless game controller adapter supports original for Xbox One S, for Xbox Series X S, for Wii, for Wii U Pro, for Switch Pro, for Switch Joycon, for 8bitdo, for Retro Bit, for PS3, for Ps4, for Ps5 wireless controllers. 3.MULTI FUNCTIONAL: For PS4 and for PS5 controllers with less than 6ms latency using the adapter, with multi functional reset button, support firmware update, button key value can be configured via for Google Chrome's web Bluetooth port. 4.PLUG INSTRUCTIONS: The multiplayer bluetooth controller adapter is designed with different color plug connectors, red connects to controller 1, green connects to controller 2, orange connects to controller 3, white connects to controller 4. 5.WITH LED INDICATOR: Red LED FULLY ON for power on, SYNC LED fully lit for Bluetooth failure, SYNC LED off for successful Bluetooth connection, SYNC LED flashing for searching wireless controller. specification：Item Type: Wireless Controller Adapter Material: ABS Color: Black Suitable: For Sega Dreamcast DC Game Console Compatible Controller: For Xbox One S, for Xbox Series X S, for Wii, for Wii U Pro, for Switch Pro, for Switch Joycon, for 8bitdo, for Retro Bit, for PS3, for Ps4, for Ps5 Wireless Controller Button Use: CN Button: Reset Adapter Power On Button: Short Press: Disconnect All BT Devices and Start A New Pairing Press and Hold for 3 Seconds: Enable BT Query Mode (New Pairing) Hold for 10 Seconds: Restores the Default Configuration and Clears the BT Pairing Key PackageList：1 x WirelessControllerAdapter 1 xInstructionManual