Rapid Movement Viwind PC mouse support the fuction of resolution fast/slow regulation and users may achieve four-speed shift as follows:1200→1600→ 2300 →3200.Set your mouse with DPI to gain the advantages over your opponents and command the speed and sensitivity accurately. Programmable Buttons There are 6 buttons on the mouse. All of the buttons can be set for different functions after installing software. You can also customize your mouse to fit you special needs with the macro editing function. High Precision 4000Hz polling rate ensures smooth and high-speed movement, enjoy games more freely. Best PC & Laptop gaming mouse with good value. Specifications Product Dimension: 123x72x33mm Type: Wired Gaming Mouse for PC / Laptop Interface: USB2.0 / USB3.0 Default DPI: 1200/1600/ 2300/3200 Polling Rate: 4000Hz DPI Range: 500~3200 Backlight: YES NOTE: 1. If you want to customize the buttons, you need to download the software from relevant website (written in the user manual). 2. When you install the software driver in your computer, please choose the language you required. Four languages are available: English, German, Japanese, and Chinese. Package included: 1x Wired Gaming Mouse 1x User Manual