TeckNetĀ® M002 Wireless Mouse Wireless Optical Mouse, 3 levels of adjustable DPI, 2000 DPI 2.4G, 6 buttons, life of the battery 18 months, Nano Receiver Blue (Personal Computers)
It was a gift, it fulfills its function for everyday use and basic in terms of games or other I did not recoil. A single battery is enough.