Main Features: ??Ergonomic design: Promotes healthy natural hand positioning and the ultimate comfort without twisting your arm in an unnatural way ??Compatibility options: Compatible with Mac OS X, Linux, and all versions of Windows computers, plug-and-play, connect to any desktop or laptop computer through the USB port ??Four adjustable DPI levels: The four adjustable DPI levels allow you to change the sensitivity of the mouse pointer speed ??Show desktop button: Allows you to get back to your desktop just by an easy click on the mouse, convenient for office and game users ??Forward / backward buttons design: The forward / backward buttons provide much convenience while doing web-page browsing ( the two buttons are not recognized on the Mac ) ??Four colors breathing light: Four colors breathing light makes you see the outline of your mouse clearly in the dark and makes it beautiful at the same time ??Fashion appearance: The overall appearance is like the shark ridge, with a streamlined design, to not only ensure full grip, but also have a very fashionable looks