. RF frequency 2.4 GHz Sensor engine BlueEye Resolution (DPI) 1200 Number of buttons 3 (left, right, middle button with scroll) Battery type AA Other — 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 ) User's manual Yes, NX-8006S_GQ (Multi-language) Download System requirements Windows® 7, 8, 8.1, 10 / Mac OS X 10.7.4 or later / Linux OS Colors Black / 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 included NX-8006S USB pico receiver AA alkaline battery x1 Multi-language quick guide