Connectivity Technology: Wired, Usb Brand: Dell Movement Detection Technology: Optical Color: Black Number Of Buttons: 2 Wired Usb Optical Mouse Cursor Tracking Speed: 1000 Dpi (Dots Per Inch) Buttons Qty: 3; Orientation: Right And Left-Handed Color: Black Dimension (H X L X W): 35.8 X 112.2 X 63.4 Mm , Weight: 90G ±10G(Including Cable), Cable Length: 1800Mm ±50Mm