The enumeration defines the input/output capabilities of a Bluetooth Device.
The Bluetooth device is capable of output via display only.
The Bluetooth device is capable of output via a display, and has the additional capability to presenting a yes/no question to the user.
The Bluetooth device is capable of input via keyboard.
The Bluetooth device is not capable of input/output.
The Bluetooth device is capable of input via keyboard and of output via display.
The input/output capabilities for the Bluetooth device are undefined.