AOC MS100 WIRED USB BLACK MOUSE SPECIFICATIONS: Colour Black Connection Type Wired Ergonomics Right and Left symmetry Operation Optical Mouse Buttons 3 (left, middle, right) Resolution 1600 DPI Roller Direction Two-way Power Supply Mode USB Mouse Wire Length About 170 cm/66.93” Product Size 116 X 61 X 38 mm/4.57 X 2.40 X 1.50” Product Weight 60 g