How to test Bluetooth Based Application on Androidx86 on top of VirtualBox with inbuilt laptop bluetooth

In the Virtual Box :

1. right click and go to settings

2. select Serial Ports and Enable it

3. click Ok.

4. Now click Start

5. Select Devices from Top Menu

6. Select USB Devices

7. Select your Bluetooth Adapter that's all. now You can use your Laptop Bluetooth for VM.