The mouse wheel adopts a non-slip grille design and slides smoothly, making it easy to handle whether you are working or studying. It feels delicate and soft, has strong adhesion and good anti-slip effect. Sweating palms will not affect the operation of the mouse. The user-friendly design makes it easy to operate and fit in the palm of your hand regardless of the size of your office or entertainment hands, reducing user fatigue. Fits the natural state of the human body, the smooth upper cover arc-design, the lowering range just fits the palm of the hand. Plug and play saves trouble and worry, easy and quick installation, just plug the cable into the USB port and start using it. Item Name: Wired Mouse Material: ABS Resolution: 1000 (DPI) Number of Keys: 3 (Key) Interface: USB Ergonomics: Support Adjustable Resolution: Third Gear And Below Operating Distance: 1.2(m) Features: Low Latency, Silent, Plug & Play Size Details: L: 10cm/3.94", W: 7cm/2.76", H: 2cm/0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wired Mouse