| .. _bluetooth-hci-usb-h4-sample: | 
 |  | 
 | Bluetooth: HCI H4 over USB | 
 | ########################## | 
 |  | 
 | Overview | 
 | ******** | 
 |  | 
 | Make a USB H4 Bluetooth dongle out of Zephyr. Requires USB device support from | 
 | the board it runs on (e.g. :ref:`nrf52840dk_nrf52840` supports both BLE and | 
 | USB). | 
 |  | 
 | Requirements | 
 | ************ | 
 |  | 
 | * Bluetooth stack running on the host (e.g. BlueZ) | 
 | * A board with Bluetooth and USB support in Zephyr | 
 |  | 
 | Building and Running | 
 | ******************** | 
 | This sample can be found under :zephyr_file:`samples/bluetooth/hci_usb_h4` in | 
 | the Zephyr tree. | 
 |  | 
 | See :ref:`bluetooth samples section <bluetooth-samples>` for details. |