The 2 in 1 Combo M652-BA Mouse is a set that contains a 2.4G wireless optical mouse with a resolution of up to 2400 DPI and a mouse pad. The mouse has 5 adjustable DPI levels and 2 polling levels. The long lifespan and energy savings in sleep mode is what is the biggest advantage of this mouse. It is compatible with Windows 7/8/10/XP,Vista7/8, Linux and Mac operating systems. The ultra-smooth mouse pad is washable under water and hemmed at the edges.