diff --git a/hardware/arduino/cores/arduino/HID.cpp b/hardware/arduino/cores/arduino/HID.cpp
index e3aadb584..16d044812 100644
--- a/hardware/arduino/cores/arduino/HID.cpp
+++ b/hardware/arduino/cores/arduino/HID.cpp
@@ -233,6 +233,16 @@ void Mouse_::buttons(uint8_t b)
 	}
 }
 
+void Mouse_::press(uint8_t b) 
+{
+	buttons(_buttons | b);
+}
+
+void Mouse_::release(uint8_t b)
+{
+	buttons(_buttons & ~b);
+}
+
 //================================================================================
 //================================================================================
 //	Keyboard
diff --git a/hardware/arduino/cores/arduino/USBAPI.h b/hardware/arduino/cores/arduino/USBAPI.h
index 0dad17606..03dddb8d1 100644
--- a/hardware/arduino/cores/arduino/USBAPI.h
+++ b/hardware/arduino/cores/arduino/USBAPI.h
@@ -46,6 +46,7 @@ extern Serial_ Serial;
 #define MOUSE_LEFT 1
 #define MOUSE_MIDDLE 2
 #define MOUSE_RIGHT 4
+#define MOUSE_ALL (MOUSE_LEFT | MOUSE_MIDDLE | MOUSE_RIGHT)
 
 class Mouse_
 {
@@ -55,6 +56,8 @@ public:
 	void click(uint8_t b = MOUSE_LEFT);
 	void move(signed char x, signed char y, signed char wheel = 0);
 	void buttons(uint8_t b);
+	void press(uint8_t b = MOUSE_LEFT);		// press LEFT by default
+	void release(uint8_t b = MOUSE_LEFT);	// release LEFT by default		
 };
 extern Mouse_ Mouse;