I have one of these and it works very well after some figuring out. First is the power source. That brick it came with just don't have big enough wires to supply it properly so I created a 4 pin molex to barrel connector lead for it and use a atx psu for it. Secondly is the command line for launching it.
cgminer.exe --bmsc-options 115200:0.5 -o url -u username -p password --bmsc-freq 0B82 --bmsc-voltage 0800
Here is a screen of my unit in action. You can judge for yourself.
I have 2 more coming (U3) that will be here middle of next week as well. Hope this helps.
their is no volate for 0800 and no freq 0B82