The Bluetooth APIs let applications:
To perform Bluetooth communication using these APIs, an application must declare the {@link android.Manifest.permission#BLUETOOTH} permission. Some additional functionality, such as requesting device discovery, also requires the {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
For a detailed guide to using the Bluetooth APIs, see the Bluetooth Dev Guide topic.
Note: Not all Android devices are guaranteed to have Bluetooth functionality.