1. Multi-function reset button: Up to 4 Bluetooth-compatible controllers can be paired simultaneously 2. Firmware updatable: Support firmware updatable. 3. Almost zero latency: Almost zero latency, for PS4&PS5 controller less than 6ms of latenc using Blueretro. 4. Compatible with: Only suitable for gamecube console. Compatible with for Xbox One S/for Xbox Series X|S/for Wii/for Wii U Pro/for Switch Pro/for Switch/for 8bitdo/for Retro-Bit PS3/for ps4/for ps5 Wireless Controller. 5. The buttons can be configured: The key value of the buttons can be configured through the web Bluetooth-compatible port of the Google Chrome. This is a multiplayer Bluetooth-compatible controllers adapter for Gamecube consoles, is an open source project based on darthcloud. It uses the popular ESP32 chip. It can support Wii, for Switch/for PS3/for PS4/for PS5/for Xbox One console wireless controller.This adapter allows for the use of up to 4 connected Bluetooth-compatible controllers. Instructions: Plug Connector Description Red: no.1 controller Green: no.2 controller Orange: no.3 controller White: no.4 controller For BlueRetro LED Status Red LED FULLY ON:Power on SYNC LED FULLY ON:Bluetooth-compatible failure SYNC LED OFF:Bluetooth-compatible connected successfully SYNC LED pulsing:Searching wireless controller For BlueRetro Buttons Usage RESET Button:reset for blueretro PAIR Button: Short press:Disconnect all Bluetooth-compatible devices and start the pairing. 3 sec hold:Enable Bluetooth-compatible inquiry mode ( pairing). 10 sec hold:Restore to default configurations and clear BT pairing keys. Colour:Black Material:Plastic Package Contents: 1 * Wireless Controllers Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.