Steelseries Rival 500 Mmo/moba 15-button Programmable Gaming Mouse 16,000 Cpi - Black

Fastest, most ergonomic button layout available – built around your thumb , 16,000 CPI custom PixArt sensor for extreme precision , SteelSeries exclusive tactile alerts let you feel in-game events , Reinforced left and right mouse buttons with industry-leading 30 million click switches , Fully-customizable with 15-programmable fast-click buttons; Grip Style: Palm, Claw, and Fingertip