1. Adjustable Your DPI Speed: 4 Speed DPI Adjustment, up to 3800 DPI(800-1500-2500-3800); CW90 provides extreme stability while gaming. 2. Breathing LED Light: 4 single color breathing light, each color represents different DPI. 800 DPI red breathing light, 1500 green, 2500 blue, 3800 light violet. 3. 6D Optical Gaming Mouse: Left/Right/Mid/Forward/Backward/DPI mode switch. Quick thumb function: fast forward or backward when browsing the web, forward or backward at the same folder window. 4. Durable to Use and Perfect Hand Feel: Logitech style mouse, excellent robust build quality, solid, non-creaky feel, good texturing on the sides and braided cord with Velcro cable tie, very durable to use; extremely comfortable grip, inner groove for your thumb, a mid-large sized gaming mouse, ensures comfortable fit, long-term use without fatigue. 5. Compatible System: Windows 98/ 2000/ ME/ NT / XP/ Win 7/ Win 8/ Win 10/ Mac OS and other OS, plug & play.