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Bluetooth missing driver??

Hi I have dell m4600,  it happens that I have some problem with bluetooh drivers and audio at same time. 
I downloaded and upgraded all drivers I could( Win 7 64 bit), so in that case drivers from Boardcomm and Dell 350 device however I am unable to connect with any audio bluetooth device ( I tried speaker and headset. )  And there are two problems.

One in device manager I have listed unknown bluetooth device ( except Dell 350 and Boadrcomm device). Second problem is when I am trying to connect  with speakers or headset, computer pairs with them but it doesn't play any music.  In playback devices my stuff is listed as disconnected. 

This unknown Bluetooth periferial device is listed under following HArdware ID


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