Features: 1. Adjustable DPI: 1200-1600-2400 DPI 3-level adjustment, accurate click, suitable for a variety of occasions, providing accurate control. 2. Light cycle lighting system: Dazzling LED light, the whole mouse is gorgeous and colorful, making your office/game more fun. 3. Symmetrical left and right hands: Ergonomic design, fits your hand curve, delicate and comfortable touch. 4. Optical engine: Accurate positioning, strengthen the adaptability to the surface, suitable for a variety of media, improve your experience. 5. Driver free: High-speed USB connection, no driver, plug and play. Easy to install and use. Notice: Actual color may be slightly different from the image due to different monitor and light effect.Please allow 1-3cm deviation due to manual measurement. Connection method: wired Number of keys: 3 (keys) Interface:USB Working method: photoelectric Wheel direction: four-way wheel Cable length: 1.42 (m) Product size: 127*73*40mm Product weight: 0.070 (KG) Surface treatment: frosted Movement Speed: 80 inches/sec Backlight: Colorful Color/Style: As the picture shown includes: 1 x Mouse