Color: Black Wi-Fi Connection Type Special Feature: Wireless Motion Detection Technology: Optical Number of Buttons: 6 Recommended Uses For Product: Desktop Device Compatibility: Microsoft Windows 2000, XP, VISTA, 7, 8 Product Weight: 100 grams Linux, Windows Operating Systems See less About this product 6-Button Design: The wireless mouse includes left button, right button, scroll wheel, DPI button, and 2 side buttons. The rubber scroll wheel is easy to put on and take off. Additionally, the two side buttons make it much easier to forward and backward (side buttons are not available for MAC OS). 5 Adjustable DPI: With the DPI button, you can easily change the mouse pointer speed (2600/2000/1600/1200/800), which is very suitable for your daily office needs. Tip: The USB nano receiver is stored under the mouse. Perfect Design: Ergonomic mouse design provides maximum finger comfort. The mouse surface is covered with a skin-like material and a textured rubber over-surface, giving the wireless mouse anti-skid properties. Energy Saving: With automatic sleep mode, more energy saving. Using only 2 AAA batteries, it can be used for up to 24 months. It also has a battery level indicator (batteries are not included in the package). Reliable and Durable: The mouse's click lifespan is over 6 million times. High-performance precision optical mouse can provide fast response and smooth operation of the computer mouse, bringing a pleasant experience.