The application alows you to detect all bluetooh compatible devices in your area. The found devices are identified by type (phone, pc, peripherall, audio/video, misc, etc.).
The application also shows you a lot of useful informations about your own bluetooth device and some informations about the device that communicate with.
You can send voice messages by using 1,3-keys (start/stop talking). You can restrict the access to your own device using 5-key.