GIGABYTE M5050X, Ambidextrous, Optical, USB Type-A, 1000 DPI, Black, Green GIGABYTE M5050X. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: USB Type-A, Movement resolution: 1000 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Laser colour: Blue. Power source: Cable. Product colour: Black, Green