The 3DO BT is a Bluetooth Adapter that allows you to connect various Bluetooth controllers to your 3DO. This includes PS3, PS4, PS5, Xbox One, Xbox Series S & X, Switch Joy-Cons, 8BitDo (Bluetooth only) and other Bluetooth controllers.
The 3DO BT runs on the incredible BlueRetro platform by Jacques Gagnon. A portion of each sale is donated to Jacques to further support the platform.
Note: Bluetooth is limited to 7 device but there is a way to connect 8 devices using a Wii remote and BlueRetro mapping as explained here by Jacques Gagnon.
You can find more information like specific controller brand pairing instructions in the official BlueRetro Pairing Guide.
Resets the adapter
Short press (when a device paired already): Disconnect all Bluetooth devices from the adapter.
Short press (when no device is paired): Cancel Bluetooth inquiry mode (new pairing).
3 sec hold: Enable Bluetooth inquiry mode for pairing a new device.
10 sec hold: Factory resets the adapter to default configuration and clears Bluetooth pairing keys for devices previously paired.
Solid: An error occurred, try rebooting the adapter with the “R” button.
Pulsing: Bluetooth inquiry mode enable (new pairing).
Off: Controller connected.
Any time you connect to the Web Config, no controller should be paired to the adapter. Web Config is only supported on Desktop or Android Chrome. The full Web Config instructions can be found here. It will cover things like button mapping, turbo, presets, and more.
With the adapter connected to the console and the console powered on, navigate to https://blueretro.io to configure adapter.
Note: Expect around 5 minutes of update time on a PC and significantly longer on Android
Visit the Official BlueRetro Instructions for more in-depth information.