Addition: The first mouse left for a refund a month later - the wheel began to scroll and scrolled in the opposite direction. The second mouse had a double click of the right on after a couple of months. It's some kind of . With its pros: The mouse is beautiful, comfortable, wireless (but the wire is included), with a cool customizable backlight Has cons: Razer equipment very often comes across with a marriage, the main thing is that the store where you take it is adequate in terms of return or repair