diff --git a/src/machine/board_arduino_nano33.go b/src/machine/board_arduino_nano33.go
index f23b1bcf..4bbba984 100644
--- a/src/machine/board_arduino_nano33.go
+++ b/src/machine/board_arduino_nano33.go
@@ -90,3 +90,14 @@ const (
 	I2S_SD_PIN  Pin = PA08
 	I2S_WS_PIN      = NoPin // TODO: figure out what this is on Arduino Nano 33.
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Arduino NANO 33 IoT"
+	usb_STRING_MANUFACTURER = "Arduino"
+)
+
+var (
+	usb_VID uint16 = 0x2341
+	usb_PID uint16 = 0x8057
+)
diff --git a/src/machine/board_circuitplay_express.go b/src/machine/board_circuitplay_express.go
index 0f0c0846..3da61d87 100644
--- a/src/machine/board_circuitplay_express.go
+++ b/src/machine/board_circuitplay_express.go
@@ -88,3 +88,14 @@ const (
 	I2S_SD_PIN  = PA08
 	I2S_WS_PIN  = NoPin // no WS, instead uses SCK to sync
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Circuit Playground Express"
+	usb_STRING_MANUFACTURER = "Adafruit"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x8018
+)
diff --git a/src/machine/board_feather-m0.go b/src/machine/board_feather-m0.go
index f5fa76a1..13186887 100644
--- a/src/machine/board_feather-m0.go
+++ b/src/machine/board_feather-m0.go
@@ -102,3 +102,14 @@ const (
 	I2S_SD_PIN  = PA08
 	I2S_WS_PIN  = NoPin // TODO: figure out what this is on Feather M0.
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Feather M0 Express"
+	usb_STRING_MANUFACTURER = "Adafruit"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x801B
+)
diff --git a/src/machine/board_feather-m4.go b/src/machine/board_feather-m4.go
index 53ad0fae..8007162a 100644
--- a/src/machine/board_feather-m4.go
+++ b/src/machine/board_feather-m4.go
@@ -87,3 +87,14 @@ var (
 		SERCOM: 1,
 	}
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Adafruit Feather M4"
+	usb_STRING_MANUFACTURER = "Adafruit LLC"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x8022
+)
diff --git a/src/machine/board_itsybitsy-m0.go b/src/machine/board_itsybitsy-m0.go
index ed4f9fa7..9d917e7a 100644
--- a/src/machine/board_itsybitsy-m0.go
+++ b/src/machine/board_itsybitsy-m0.go
@@ -123,3 +123,14 @@ const (
 var (
 	I2S0 = I2S{Bus: sam.I2S}
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "ItsyBitsy M0 Express"
+	usb_STRING_MANUFACTURER = "Adafruit"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x800F
+)
diff --git a/src/machine/board_itsybitsy-m4.go b/src/machine/board_itsybitsy-m4.go
index 13612f52..e4f67d9d 100644
--- a/src/machine/board_itsybitsy-m4.go
+++ b/src/machine/board_itsybitsy-m4.go
@@ -89,3 +89,14 @@ var (
 		SERCOM: 1,
 	}
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Adafruit ItsyBitsy M4"
+	usb_STRING_MANUFACTURER = "Adafruit LLC"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x802B
+)
diff --git a/src/machine/board_metro-m4-airlift.go b/src/machine/board_metro-m4-airlift.go
index 49373214..49560b99 100644
--- a/src/machine/board_metro-m4-airlift.go
+++ b/src/machine/board_metro-m4-airlift.go
@@ -116,3 +116,14 @@ var (
 		SERCOM: 1,
 	}
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Adafruit Metro M4 Airlift Lite"
+	usb_STRING_MANUFACTURER = "Adafruit LLC"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x8037
+)
diff --git a/src/machine/board_pybadge.go b/src/machine/board_pybadge.go
index 2d7ab9ad..d8a496a3 100644
--- a/src/machine/board_pybadge.go
+++ b/src/machine/board_pybadge.go
@@ -133,3 +133,14 @@ var (
 		SERCOM: 4,
 	}
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Adafruit pyBadge M4"
+	usb_STRING_MANUFACTURER = "Adafruit LLC"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x8033
+)
diff --git a/src/machine/board_pyportal.go b/src/machine/board_pyportal.go
index 6b48f0d3..5258cf16 100644
--- a/src/machine/board_pyportal.go
+++ b/src/machine/board_pyportal.go
@@ -143,3 +143,14 @@ var (
 	}
 	NINA_SPI = SPI0
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Adafruit PyPortal M4"
+	usb_STRING_MANUFACTURER = "Adafruit LLC"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x8035
+)
diff --git a/src/machine/board_trinket.go b/src/machine/board_trinket.go
index b9f2d686..7381b5c1 100644
--- a/src/machine/board_trinket.go
+++ b/src/machine/board_trinket.go
@@ -93,3 +93,14 @@ const (
 	I2S_SD_PIN  = PA08
 	I2S_WS_PIN  = NoPin // TODO: figure out what this is on Trinket M0.
 )
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "Trinket M0"
+	usb_STRING_MANUFACTURER = "Adafruit"
+)
+
+var (
+	usb_VID uint16 = 0x239A
+	usb_PID uint16 = 0x801E
+)
diff --git a/src/machine/usb.go b/src/machine/usb.go
index 345b55f5..979662f1 100644
--- a/src/machine/usb.go
+++ b/src/machine/usb.go
@@ -395,12 +395,7 @@ func strToUTF16LEDescriptor(in string) []byte {
 
 var (
 	// TODO: allow setting these
-	usb_STRING_LANGUAGE     = [2]uint16{(3 << 8) | (2 + 2), 0x0409} // English
-	usb_STRING_PRODUCT      = "Arduino Zero"
-	usb_STRING_MANUFACTURER = "Arduino"
-
-	usb_VID uint16 = 0x2341
-	usb_PID uint16 = 0x004d
+	usb_STRING_LANGUAGE = [2]uint16{(3 << 8) | (2 + 2), 0x0409} // English
 )
 
 const (