Hello Everyone,
It works. Thank you very much.
VID: 13d3 PID: 3411 (Dell Alienware 4352)
Patch Firmware 2.8.
Yosemite
1) I added IdProduct and IdVendor in file info.plist under "Microsoft 2.0 USB"
/System/Library/Extensions/IOBluetoothFamily.kext/Contents/PlugIns/BroadcomBluetoothHostControllerUSBTransport.kext/Contents/info.plist
2) I copied BTFirmwareUploader.kext under /System/Library/Extensions/
3) Terminal
Voilà , It's great !!!
Thanks a lot,
Stephane.