This stick of Digitus promised a particularly good price / performance ratio. The only thing that irritated me was the promise of up to 100m range (Class 2+). Bluetooth knows the classes 1, 2 and 3 which differ according to power and thus reach the radio.
The specified class 2+ I could not find anywhere. An invention of the marketing department?
When the unit arrived, I was surprised at how small it was - also including packaging. Positives: The packaging is unsealed. Some of those things are indeed murderous ...
After a brief look at the instructions I have left are the driver CD and left at Broadcom (manufacturer of the installed chips) found and downloaded an installer for the latest Widcomm stack.
The installer called eventually infecting the sticks, on the whole it was really plug and play. Now everything seems to be working. The Widcomm stack is a matter of taste, but he does it. He even offers the option of using the answer button on my headset in Skype.
In this respect, I am satisfied, the voice quality is much better than with my Bluetooth adapter v1.
Only the range I can not check because the headset sends only 10 meters ...
