Microsoft Pro Intellimouse Shadow Black USB Optical Retail Box Basic Brand Name: Microsoft Colour: Black Movement Detection: Optical Number of Total Buttons: 5 Pointing Device Connectivity Technology: Cable Pointing Device Host Interface: USB 2.0 Product Type: Gaming Mouse Scroller Type: Scroll Wheel Physical Characteristics Colour: Black Depth: 132.1 mm Height: 42.7 mm Weight (Approximate): 140.6 g Width: 69.1 mm