Rapoo N100 Wired Optical Mouse - Black Easy installation: - No driver required, just plug it in and go - Life can be that easy 1600 DPI high-definition tracking engine: - You'll enjoy responsive and smooth cursor control with the 1600 DPI high-definition optical tracking engine Anti-slip scroll wheel: - Scroll up and down function greatly facilitates your daily work or web browsing - The anti-slip pattern on the scroll wheel ensures fast, easy and accurate scrolling Full-size, ambidextrous design: - Designed to suit either hand - With the full-size shape, you are not easy to get tired even for hours operation System Requirements: - Windows XP/Vista/7/8/10 - Mac OS X 10.4 or later - USB port Specifications: - Wired connection - Sensor: Optical - DPI: 1600 - Buttons: Left button, middle button, right button - Scroll wheel direction: Two way - Dimensions: 116 × 61.8 × 35.9 mm - Colour: Black What's in the box Wired Mouse