Usb Dongle Emulation What Is The Difference Between A Bluetooth USB Dongle And A Bluetooth USB Adapter?

What is the difference between a bluetooth USB Dongle and a Bluetooth USB adapter? - usb dongle emulation

I received a cell phone to communicate Samsung SGH D407 and need to clear my PC with my mobile phone via Bluetooth. Do I need a particular topic or a USB adapter, or to work? Please help!