There are definitely some expensive Bluetooth adapters, but they're relatively few and far between, and usually offer an especially luxurious feature set and ...

If the Bluetooth File Transfer wizard displays a message stating This Bluetooth device or computer cannot process files of this type when you try to transfer any file type from your mobile ...

As painful as it might look, updating or reinstalling Bluetooth drivers is the most recommended way to fix the frequent disconnection issue. Look for Bluetooth Power Management settings under Device ...