Open (Search for devmgmt.msc in the Start menu).
Broadcom WIDCOMM Bluetooth Software for Windows 7 Step-by-Step Installation Guide p47 wireless headphones driver windows 7 link
If your PC lacks Bluetooth entirely and you cannot install drivers, use a standard 3.5mm audio cable. Connect one end to your PC headphone jack and the other to the P47. This bypasses the need for any wireless drivers completely. Open (Search for devmgmt
Installing driver software...
If your laptop or motherboard uses an Intel wireless chip, use the official Intel driver repository. Intel Driver & Support Assistant p47 wireless headphones driver windows 7 link