Die-hard Gamers Choice - Whether you are targeting, aiming, slashing or attacking, a professional gaming mouse is your basic weapon! M990 mouse will be your ideal partner. Compatible with Windows XP/VISTA/7/8/10/11 system for programmable using and Mac OS for normal using. 5 Decent Backlit Modes - Turn the backlit on and make some kills in your gaming battlefield. 16.8 million RGB LED color options (LED Backlight can be disabled) will never let you down when decorating your gaming space. 5 memory profiles each with a dedicated light color for quick identification. Comfort & Precision At Your Hands - Redragon M990 gaming mouse is an essential computer accessory for die-hard gamers with its aggressive design for hands! Comes with 8-piece weight tuning set (2.4g x8), easy to change the weight to suit your games. Take The Advanced Shot - 16 side buttons and a dedicated fire button giving eSports Pros an extremely quick time and satisfying gaming experience. 23 programmable buttons are all editable with customizable tactical keybinds in whatever game or work you are engaging. High-End Gaming Mouse - Geared with 5 redefinable DPI levels (default as: 1000/2000/4000/8000/16000), easy to switch between different game needs. Dedicated demand of DPI options between 100-32000 is also available to be processed by software.