I have the Patuoxun® 2500 dpi 7 buttons Wired Gaming Mouse Programmable receive free under a product testing. Included in the package: 1 x 2500 DPI Macro Gaming Mouse 1 x CD 1 x English and German manual This mouse is meant to be used for games and can of course also for the normal PC use are used. The mouse has 7 programmable buttons, 4 small buttons, the scroll wheel and the normal big left and right buttons. A small variety of mouse, which is intended for the use of Windows XP / Windows 7 / Windows 8. For Mac OS, it is to be used only as a non-programmable normal mouse. The mouse has a great ergonomic design, where just about everything is illuminated and the colors change. Even with prolonged use it is comfortable with the hand and makes neither hand nor finger tired. I use it a lot for normal use and must also much clicking. The scroll wheel is running very light and comfortable and the keys have a slight pressure. The PC responds instantly without any problems. My old mouse sometimes does not respond or you had to repeatedly click until something's done. With this mouse, I have a quick and easy processing, whether now click on something or highlight something. So the deal makes the PC fun. You can program the keys individually. This is a small CD you this the right software and a detailed, described with pictures, description is also in the package. On the underside of the mouse is also illuminated in red. It is super easy to move and I can without scratching my desk, use the mouse without a mouse pad. The dimensions are 14.6 x mouse 9,6 x 5,2 cm at 200 grams. She 1000,1500,2000 and 2500 dpi (the resolution to give) which are each displayed with a color by the light of the mouse. The USB cable has a magnetic ring for synchronization. In addition, the mouse is sweat-proof and has a non-slip surface, which is very important during long and fast-paced games. I am absolutely delighted with the black mouse and can very much recommend it. With a good value for money and good quality of the mouse I like to give full marks because I could not find anything bad. I find the mouse as a woman very nice and they may also like for the most common business recommend as well the changing colors are chic and you like working with this mouse.