diff --git a/smart_card_connector_app/src/testing_smart_card_simulation.cc b/smart_card_connector_app/src/testing_smart_card_simulation.cc
index cd77d1600..3184775f4 100644
--- a/smart_card_connector_app/src/testing_smart_card_simulation.cc
+++ b/smart_card_connector_app/src/testing_smart_card_simulation.cc
@@ -72,6 +72,17 @@ LibusbJsDevice MakeLibusbJsDevice(
       js_device.manufacturer_name = std::string("Gemalto");
       js_device.serial_number = std::string("E00E0000");  // redacted
       return js_device;
+    case DeviceType::kDellSmartCardReaderKeyboard:
+      // Numbers are for a real device.
+      js_device.vendor_id = 0x413c;
+      js_device.product_id = 0x2101;
+      js_device.version = 0x201;
+      // TODO: Remove explicit `std::string` construction after switching to
+      // feature-complete `std::optional` (after dropping NaCl support).
+      js_device.product_name = std::string("Dell Smart Card Reader Keyboard");
+      js_device.manufacturer_name = std::string("Dell");
+      js_device.serial_number = std::string("");
+      return js_device;
   }
   GOOGLE_SMART_CARD_NOTREACHED;
 }
@@ -122,6 +133,53 @@ MakeLibusbJsConfigurationDescriptors(DeviceType device_type) {
 
       return {config};
     }
+
+    case DeviceType::kDellSmartCardReaderKeyboard: {
+      // Values are taken from a real device.
+
+      LibusbJsEndpointDescriptor endpoint1;
+      endpoint1.endpoint_address = 1;
+      endpoint1.direction = LibusbJsDirection::kOut;
+      endpoint1.type = LibusbJsEndpointType::kBulk;
+      endpoint1.max_packet_size = 64;
+
+      LibusbJsEndpointDescriptor endpoint2;
+      endpoint2.endpoint_address = 0x82;
+      endpoint2.direction = LibusbJsDirection::kIn;
+      endpoint2.type = LibusbJsEndpointType::kBulk;
+      endpoint2.max_packet_size = 64;
+
+      LibusbJsEndpointDescriptor endpoint3;
+      endpoint3.endpoint_address = 0x83;
+      endpoint3.direction = LibusbJsDirection::kIn;
+      endpoint3.type = LibusbJsEndpointType::kInterrupt;
+      endpoint3.max_packet_size = 8;
+
+      // Note: in reality the device has another USB interface (with the number
+      // "0" and the "Human Interface Device" class), but it's normally filtered
+      // out by the JavaScript counterpart before reaching the C++ code.
+      LibusbJsInterfaceDescriptor interface;
+      interface.interface_number = 1;
+      interface.interface_class = 0xB;
+      interface.interface_subclass = 0;
+      interface.interface_protocol = 0;
+      interface.extra_data = std::vector<uint8_t>(
+          {0x36, 0x21, 0x01, 0x01, 0x00, 0x07, 0x03, 0x00, 0x00, 0x00, 0xC0,
+           0x12, 0x00, 0x00, 0xC0, 0x12, 0x00, 0x00, 0x00, 0x67, 0x32, 0x00,
+           0x00, 0xCE, 0x99, 0x0C, 0x00, 0x35, 0xFE, 0x00, 0x00, 0x00, 0x00,
+           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x02, 0x01, 0x00,
+           0x0F, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01});
+      interface.endpoints.push_back(std::move(endpoint1));
+      interface.endpoints.push_back(std::move(endpoint2));
+      interface.endpoints.push_back(std::move(endpoint3));
+
+      LibusbJsConfigurationDescriptor config;
+      config.active = true;
+      config.configuration_value = 1;
+      config.interfaces.push_back(std::move(interface));
+
+      return {config};
+    }
   }
   GOOGLE_SMART_CARD_NOTREACHED;
 }
@@ -174,6 +232,29 @@ std::vector<uint8_t> MakeGetDataRatesResponse(DeviceType device_type) {
               0x01, 0x00, 0x24, 0xF4, 0x00, 0x00, 0xDD, 0x6D, 0x00, 0x00, 0x1B,
               0xB7, 0x00, 0x00};
     }
+    case DeviceType::kDellSmartCardReaderKeyboard: {
+      // Values are taken from a real device.
+      return {0x67, 0x32, 0x00, 0x00, 0xCE, 0x64, 0x00, 0x00, 0x9D, 0xC9, 0x00,
+              0x00, 0x3A, 0x93, 0x01, 0x00, 0x74, 0x26, 0x03, 0x00, 0xE7, 0x4C,
+              0x06, 0x00, 0xCE, 0x99, 0x0C, 0x00, 0xD7, 0x5C, 0x02, 0x00, 0x11,
+              0xF0, 0x03, 0x00, 0x34, 0x43, 0x00, 0x00, 0x69, 0x86, 0x00, 0x00,
+              0xD1, 0x0C, 0x01, 0x00, 0xA2, 0x19, 0x02, 0x00, 0x45, 0x33, 0x04,
+              0x00, 0x8A, 0x66, 0x08, 0x00, 0x0B, 0xA0, 0x02, 0x00, 0x73, 0x30,
+              0x00, 0x00, 0xE6, 0x60, 0x00, 0x00, 0xCC, 0xC1, 0x00, 0x00, 0x99,
+              0x83, 0x01, 0x00, 0x32, 0x07, 0x03, 0x00, 0x63, 0x0E, 0x06, 0x00,
+              0xB3, 0x22, 0x01, 0x00, 0x7F, 0xE4, 0x01, 0x00, 0x06, 0x50, 0x01,
+              0x00, 0x36, 0x97, 0x00, 0x00, 0x04, 0xFC, 0x00, 0x00, 0x53, 0x28,
+              0x00, 0x00, 0xA5, 0x50, 0x00, 0x00, 0x4A, 0xA1, 0x00, 0x00, 0x95,
+              0x42, 0x01, 0x00, 0x29, 0x85, 0x02, 0x00, 0xF8, 0x78, 0x00, 0x00,
+              0x3E, 0x49, 0x00, 0x00, 0x7C, 0x92, 0x00, 0x00, 0xF8, 0x24, 0x01,
+              0x00, 0xF0, 0x49, 0x02, 0x00, 0xE0, 0x93, 0x04, 0x00, 0xC0, 0x27,
+              0x09, 0x00, 0x74, 0xB7, 0x01, 0x00, 0x6C, 0xDC, 0x02, 0x00, 0xD4,
+              0x30, 0x00, 0x00, 0xA8, 0x61, 0x00, 0x00, 0x50, 0xC3, 0x00, 0x00,
+              0xA0, 0x86, 0x01, 0x00, 0x40, 0x0D, 0x03, 0x00, 0x80, 0x1A, 0x06,
+              0x00, 0x48, 0xE8, 0x01, 0x00, 0xBA, 0xDB, 0x00, 0x00, 0x36, 0x6E,
+              0x01, 0x00, 0x24, 0xF4, 0x00, 0x00, 0xDD, 0x6D, 0x00, 0x00, 0x1B,
+              0xB7, 0x00, 0x00};
+    }
   }
   GOOGLE_SMART_CARD_NOTREACHED;
 }
diff --git a/smart_card_connector_app/src/testing_smart_card_simulation.h b/smart_card_connector_app/src/testing_smart_card_simulation.h
index ebbfa3968..9e4382513 100644
--- a/smart_card_connector_app/src/testing_smart_card_simulation.h
+++ b/smart_card_connector_app/src/testing_smart_card_simulation.h
@@ -51,7 +51,7 @@ namespace google_smart_card {
 class TestingSmartCardSimulation final {
  public:
   // Fake device to simulate.
-  enum class DeviceType { kGemaltoPcTwinReader };
+  enum class DeviceType { kGemaltoPcTwinReader, kDellSmartCardReaderKeyboard };
   enum class CardType { kCosmoId70 };
   enum class CardProfile { kCharismathicsPiv };