Broadcom® bcm2070 bluetooth 2 1 edr USB\VID drivers are required for the USB bus and USB connectivity hardware in the computer to operate correctly. A "driver" is the name given to the software interface that allows the operating system to communicate with the bcm2070 bluetooth 2 1 edr hardware, it is the software "driver" that is in control of the USB hardware. If the bluetooth Universal Serial Bus device is not performing as expected then the driver is probably not installed or is broken. The list below consists of free downloads that are designed specifically to be used with the Broadcom® bcm2070 bluetooth 2 1 edr device.
Download Broadcom® Windows® Bluetooth Drivers
Broadcom® Bluetooth Hardware USB\VID_0A5C&PID_21B4 Free Downloads