Hard-working optical mouse doesn’t compromise size for space. Wireless accessory folds down for easy travel but expands to full size when you’re ready to work. Includes left- and right-click buttons and scroll wheel. Auto/manual shutdown feature extends battery life (2 AAA batteries included), and status indicator monitors the charge. Compatible with Windows ME/XP/Vista and above. Measures 4 1/2” x 2 1/4” x 1 1/4”. Black/gray. Screened Dell logo centered on mouse.