diff --git a/src/ua-parser.js b/src/ua-parser.js
index abffc81..b3fc74d 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -521,7 +521,8 @@
             /droid.+(vodafone)\s([\w\s]+)\)/i                                   // Vodafone
             ], [VENDOR, MODEL, [TYPE, TABLET]], [
 
-            
+            /\s(surface\sduo)\s/i                                               // Surface Duo
+            ], [MODEL, [VENDOR, 'Microsoft'], [TYPE, TABLET]], [
             /\s(U304AA)\sbuild/i                                                // AT&T
             ], [MODEL, [VENDOR, 'AT&T'], [TYPE, MOBILE]], [
             /sie-(\w*)/i                                                        // Siemens
diff --git a/test/device-test.json b/test/device-test.json
index 2e3d5c6..b0c35d6 100644
--- a/test/device-test.json
+++ b/test/device-test.json
@@ -214,6 +214,15 @@
             "type": "mobile"
         }
     },
+    {
+        "desc": "Microsoft Surface Duo",
+        "ua": "Dalvik/2.1.0 (Linux; U; Android 10; Surface Duo Build/2020.1014.61)",
+        "expect": {
+            "vendor": "Microsoft",
+            "model": "Surface Duo",
+            "type": "tablet"
+        }
+    },
     {
         "desc": "Motorola Moto X",
         "ua": "Mozilla/5.0 (Linux; Android 4.4.4; XT1097 Build/KXE21.187-38) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.109 Mobile Safari/537.36",