Press Win + R , type services.msc , find Bluetooth Support Service , right-click it, and select Restart . Connected but No Sound Go to Control Panel > Hardware and Sound > Sound .
How to Install and Fix P47 Wireless Headphones Drivers on Windows 7 p47 wireless headphones driver windows 7
Technically, there is no official "P47 brand" driver. These headphones use standard and Hands-free Profile protocols. Press Win + R , type services