diff --git a/Mouse.cpp b/Mouse.cpp
index 11f5064..f7f944b 100644
--- a/Mouse.cpp
+++ b/Mouse.cpp
@@ -160,6 +160,9 @@ void Mouse::listDevices() {
             case BLOODY_R70_PID:
                 name = "Bloody R70";
                 break;
+            case BLOODY_A9_PID:
+                name = "Bloody A9";
+                break;
             default:
                 name = "Unknown";
         }
diff --git a/Mouse.h b/Mouse.h
index b33d295..0988d75 100644
--- a/Mouse.h
+++ b/Mouse.h
@@ -17,8 +17,9 @@ static const int BLOODY_R8_1_PID = 0x14ee;
 static const int BLOODY_R3_PID = 0x1a5a;
 static const int BLOODY_AL9_PID = 0xf633;
 static const int BLOODY_R70_PID = 0xf643;
+static const int BLOODY_A9_PID = 0x1003;
 
-static const int COMPATIBLE_PIDS[] = {BLOODY_V5_PID, BLOODY_V7_PID, BLOODY_V8_PID, BLOODY_R7_PID, BLOODY_R8_1_PID, BLOODY_R3_PID, BLOODY_AL9_PID, BLOODY_R70_PID};
+static const int COMPATIBLE_PIDS[] = {BLOODY_V5_PID, BLOODY_V7_PID, BLOODY_V8_PID, BLOODY_R7_PID, BLOODY_R8_1_PID, BLOODY_R3_PID, BLOODY_AL9_PID, BLOODY_R70_PID, BLOODY_A9_PID};
 static const size_t COMPATIBLE_PIDS_SIZE = sizeof(COMPATIBLE_PIDS)/sizeof(COMPATIBLE_PIDS[0]);
 
 static const int A4TECH_MAGIC = 0x07;