http://www.comicconreviews.net TeckNet® High Precision Programmable Wireless Gaming Mouse With 2000 DPI, Nano Receiver, 5 Programmable Button, 5 User Profiles. 5 programmable buttons, 2 onboard stored profiles. Adopt the 2.4G frequency technology, working distance can reach to 8M-10M, 2.4G will give you a more comfortable, convenient and exact effect than the traditional FM radio wireless mouse. USB Nano Receiver, stays in your PC, so there’s no need to unplug it when you move around. DPI button to select favourite cursor speed, 2000/1500/1000dpi/500dpi, to suit both ordinary and gaming needs. With Battery Life Indicator, will let you know when power levels are running low 12-month battery life on 1 AA battery practically eliminates the need to replace batteries. Battery life may vary based on user and computing conditions.