Whether programmable functions, chic, cool multiple backlight, unsurpassed ergonomic layout, strong durability or excellent performance, this wired mouse, tailor-made and specially designed for beginners and experienced players, meets your requirements for playing, a weapon you should not miss to fight for your victory. Functional and practical fire button. Equipped with a fire button on the left side, this game mouse achieves that a click on the fire button corresponds to a triple click on the left button, giving you a head start in the game. Easy operation. Supports plug and play without the need for drivers or software. The nickel-plated USB port ensures stable data transmission without interference or delays when gaming. 1.5 m long power cord provides sufficient freedom of movement. 5 adjustable CPI Simply press the CPI button to switch between different CPI levels to adjust the mouse speed to match game requirements. Each CPI has its own indicative color: 1200 (red), 2400 (blue), 3500 (green), 5500 (purple) and 7200 (yellow). Note: On a Mac system, the side buttons do not work and the programmable functions cannot be performed. Specification: Product dimensions: 12.5 x 6.7 x 4 cm / 4.92 x 2.64 x 1.57 inches. Number of buttons: 8 (programmable). Transmission mode: wired USB VPI: 1200/2400/3500/5500/7200 Tracking system: Optical Cable length: 1.5. 59,06 inch Keystroke life: 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 (English language not guaranteed)