No matter for the programmable functions, fancy cool multiple backlights, the unmatched ergonomic layout, strong durability, or the excellent performance, this wired mouse, tailor-made and specially-designed for novice and senior gamers, meet your requirements for game playing, A can’t-miss weapon to help fight for your victory. Functional and Convenient Fire Button Equipped with a fire button on the left side, this game mouse achieves that a click on fire button is equal to triple clicks on left button, which helps you get a head start in the game. Easy Operation Support plug and play with no driver or software needed. Nickle-plated USB connector ensures the stable data transfer without any disturbance or lag for gaming. 1.5m-long power cord guarantees enough range of movement. 5 Adjustable CPI Simply press CPI button to switch different CPI levels to match the mouse speed to gaming demands. Each CPI has its own indicative color: 1200(red), 2400(blue), 3500(green), 5500(purple) and 7200(yellow). Note: For Mac system, the sided buttons are not functional and the programmable functions are not workable. Specification: Product Dimension: 12.5x6.7x4cm/4.92x2.64x1.57in Button Quantity: 8 (Programmable) Transmission Mode: Wired USB CPI: 1200/2400/3500/5500/7200 Tracking System: Optical Cord Length: 1.5m/59.06in Keystroke Lifespan: 20,000,000 times (left/right buttons) / 3,000,000 times (CPI buttons) Package Contents 1 x Wired Gaming Mouse 1 x Driver Disk 1 x User Manual