The wireless mouse works in a constant resolution of 1600 dpi. It has 3 buttons and a scroll. The mouse has an advanced battery saving system, so that a set of batteries will last for a very long time. Symmetrical friendly housing for booth right or left-handed person. The upper surface has an interesting graphic design. Convenient, small nano receiver allows you to leave it in the USB port of your laptop during transport. Packing includes batteries.