Show your style with the classy design and sculpted edges. It combines style and comfort.2.4GHz with less interference and longer range. Responsive tracking with highprecision sensor.The device features two traditional navigation buttons on the left and right front sides, plus a third button under the mouse scroll wheel. Scroll smoothly which lets you navigate right/left in addition to up/down.Use comfortably in either hands. The sculpted design suits both left and right handers.No software to install, no feature set up required. Just plug it into the USB port.