5 Adjustable DPI: With 2 DPI buttons, easier to switch among 5 DPI (800/1200/1600/2000/2400) and a flashing light will indicate which DPI you are. Two polling rates: 125Hz and 250Hz. This wireless gaming mouse helps you to control the speed and sensitivity of it more freely. Comfort & Precision: You will be amazed by the unmatched comfort, lethal accuracy, and killer precision of our durable, desktop and laptop pro wireless gaming mouse! Advanced 2.4Ghz Wireless Technology The 2.4Ghz wireless enables working distances up to 10 m (30ft) with little-to-no delay. No driver is required, just plug and play. Long Life Span & Power Saving: It has passed a 10 million times keystroke test to guarantee extra durability. This wireless mouse will be in sleep mode in 8 min of inactivity and wake up quickly by pressing any button. Powered by 1*AA battery (not included). Strong Compatibility: Works for Windows 7/8/10/XP/Vista/ME/2000/Mac10.x, etc. For Mac OS, the sided buttons are not available.