Hypertec DXT02, Ambidextrous, Laser, USB Type-A, 2000 DPI, Black, Grey Hypertec DXT02. Form factor: Ambidextrous. Movement detection technology: Laser, Device interface: USB Type-A, Movement resolution: 2000 DPI, Buttons type: Pressed buttons, Buttons quantity: 2, Scroll type: Wheel. Power source: Cable. Product colour: Black, Grey