▶ Four-Adjustable DPI: 4-level DPI settings (3600/2400/1800/1200) to meet your multiple needs, either for daily work or gaming. Great mouse for home and office. | ▶ Ergonomic Design: This mouse is ergonomically designed. The convex arc design imitates the shape of the hand when relaxing. The gravity of the palm acts on the mouse completely and evenly through a larger contact area, which can reduce the fatigue stress caused by long-term use. | ▶ No Batteries & Stable Wired Connection: Just plug it to your computers and it's been working ever since. No need to install any others drivers or software. The 5FT USB cable is the perfect length for an USB wired mouse and is long enough to accommodate almost all computer setups with no latency. | ▶ 6 High Efficient Buttons : There are not only click left and right buttons, but also a DPI adjusting button, scroll wheel and two side buttons. The function of the side buttons is to help you to back or forward when you surf the internet page. | ▶ Wide Compatibility: Works with Notebook, Computer, PC, Laptop, Chromebook with USB port, running on Windows11/ Win10/Win8.1/Win8/Win7/Vista/XP/2003/2000 etc. | ▶ 36 MONTHS SUPPORT: If you encounter any problems in using the product, please feel free to contact our professional customer service team, enjoying TECKNET 36 Months Warranty (Registered Only)