Ultra-lightweight Design - the mouse weighs only 55 grams and has lightning fast movement speed, giving you a competitive advantage in the game Fully programmable buttons - equipped with 5 programmable buttons, allowing you to customize macros and edit buttons in our software Pixart PAW 3395 Optical Sensor - Supports up to 26000 DPI and 650 IPS, providing up to 1K Hz polling rate to ensure energy-efficient and low latency wireless performance Huano mechanical switch and silver TTC encoder - the mechanical switch has comfortable pressing force and over 100 million clicks. And equipped with TTC silver wheel encoder, greatly increasing the overall service life Palm Comfort - The surface has a special coating to prevent sliding caused by sweating. Featuring a comfortable ergonomic design, it can reduce wrist pressure and alleviate fatigue during use. Size: 4.76 * 2.5 * 1.55 inches/12.1 * 6.4 * 3.9 centimeters