diff --git a/validitysensor/usb.py b/validitysensor/usb.py
index 464b092..57ac57e 100644
--- a/validitysensor/usb.py
+++ b/validitysensor/usb.py
@@ -18,6 +18,8 @@ class SupportedDevices(Enum):
     DEV_97 = (0x138a, 0x0097)
     DEV_9d = (0x138a, 0x009d)
     DEV_9a = (0x06cb, 0x009a)
+    DEV_AB = (0x138a, 0x00ab)
+    DEV_B7 = (0x06cb, 0x00b7)
 
     @classmethod
     def from_usbid(cls, vendorid, productid):