Ergonomic Right Handed Design. Frosted surface coating with skin-like material & textured sides makes this mouse sweatproof & anti-slip. Ergonomically designed extra rest area for ring finger & little finger makes it fit snug to your right hand & minimize your hand fatigue after long time use 4 Adjustable DPI Levels. CPI switch button enables you to switch easily among the preset 4 DPI values and different LED indicators means different values (red 1000/blue 1600/green 2400/purple 3200). The default one is 1000. Meet your demand of daily office working and personal preference Powerful 6 Buttons Design. 6 buttons in all, including the left button, right button, scroll wheel, CPI button and 2 side buttons. Rubber scroll wheel is easy to scrolling up and down. The extra 2 side buttons greatly promote your turning the page up and down, forward and backward quickly Reliable & Durable. High-speed precision optical engine ensures the quick response and smooth operation of this mouse, leaving you a pleasant user experience. Buttons are tested over 5,000,000 times click’s lifespan. 1.5m long cable for convenient use Ultra Strong Compatibility. Work with Windows7/8/10/XP, Vista, Linux & Mac OS (Side buttons are unavailable in Mac). ONE IS ENOUGH. Really a versatile mouse for your daily office, game, home entertainment or design drawings.