Wireless Keyboard and Mouse Combo Full Size Ergonomic Compact with Number Pad Product description Wireless keyboard and mouse combination, advanced 2.4 GHz plug and play configuration, using only a small receiver to connect the keyboard and mouse wirelessly to the computer. 2.4 GHz wireless technology provides powerful connectivity with a reliable wireless range of 10 m. With three adjustable cursor speed levels of 800 dpi-1000 dpi-1600 DPI, the mouse has high response speed and sensitive optical lens, which can work freely on most surfaces of the desktop. Full size for maximum comfort and productivity, the sculpted mouse provides support for the hand Soft skin, sweat proof fingers, strong, non slip soft rubber roller can slide freely, use with forward / backward Compatible with 6windows 7, 8, 10, XP, vista Product parameters Batteries required 3 AAA batteries (not included) Keyboard size: 14.4 * 4.8 * 0.79 inches Keyboard net weight: 256 5 g (receiver) including USB) Keyboard working voltage: 3.0 V Mouse size: 4.5 * 2.6 * 1.3 inches Mouse net weight: 63 2 g Mouse DPI: 800, 1000, 1600 Mouse working voltage: 1.5V. Wake up method: press any key Service time: 3 million strikes Products include 1 x wireless keyboard 1 x wireless mouse 1 x nano USB receiver (stored on the back of the keyboard)