It’s a 7 button Mouse Button Function (Left ButtoRight Button Scroll Wheel, DPI+/-,Forward-Backward ,Cool LED light)It has 7-colour RGB Breathing LightsErgonomically Symmetric DesignedComfortable Soft Finish Coated SurfaceAdvanced 4 adjustment levels UPTO 5500 DType: Wired MouseButtons for gaming: 7 buttons with scroll wheel.Compatible with Windows XP, Vista, Windows 7/8, MAC series.https://alimi.pk/product/ergonomic-7-button-wired-gaming-mouse/