diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk4Pro/hwdef-bl.dat b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk4Pro/hwdef-bl.dat
index bf7e9acbfa..0d0a0dd08c 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk4Pro/hwdef-bl.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk4Pro/hwdef-bl.dat
@@ -7,6 +7,13 @@ MCU STM32H7xx STM32H743xx
 # crystal frequency
 OSCILLATOR_HZ 16000000
 
+# USB setup
+USB_VENDOR 0x3162 # ONLY FOR USE BY Holybro
+USB_PRODUCT 0x004B
+USB_STRING_MANUFACTURER "Holybro"
+USB_STRING_PRODUCT "Pixhawk4Pro-BL"
+USB_STRING_SERIAL  "%SERIAL%"
+
 # board ID for firmware load
 APJ_BOARD_ID 139
 
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk4Pro/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk4Pro/hwdef.dat
index 66fbdd967f..a968beea82 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk4Pro/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk4Pro/hwdef.dat
@@ -7,6 +7,13 @@ MCU STM32H7xx STM32H743xx
 # crystal frequency
 OSCILLATOR_HZ 16000000
 
+# USB setup
+USB_VENDOR 0x3162 # ONLY FOR USE BY Holybro
+USB_PRODUCT 0x004B
+USB_STRING_MANUFACTURER "Holybro"
+USB_STRING_PRODUCT "Pixhawk4Pro"
+USB_STRING_SERIAL  "%SERIAL%"
+
 # board ID for firmware load
 APJ_BOARD_ID 139