Genius NX-8006 Wireless Silent Mouse Red RF Frequency2.4 GHzSensor engineBlueEyeResolution (DPI)1200Number of buttons3 (Left, right, middle button with scroll)Battery typeAAOther-Weight (g)Approx. 58 g (Includes receiver)Dimensions (W x H x D) mm (inches)62.8 x 100 x 39.8 mm ( 2.5 x 3.9 x 1.57 inches )System requirementsWindows® 7, 8, 8.1, 10 / Mac OS X 10.7.4 or later / Linux OSColorsBlack / Red*Product color and images shown on the package are for reference ONLY. For actual items, refer to the physical goods contained herein.What's includedNX-8006SUSB receiver x 1 USB pico receiver x1AA alkaline battery x1Multi-language quick guide