EFFORTLESS INPUT: Comfortable and whisper-quiet keys. Take the keyboard out of the box, plug and play. Both this keyboard and the mouse use connect through the same USB receiver. Wireless range is up to 10m (33feet) ensures uninterrupted use. Enjoy a neat office desktop without the clutter of computer input devices. 110 KEYS FULL-SIZE KEYBOARD : Ultra-slim with ergonomic typing angle. The numeric keypad is designed for financial or data entry workers. 12 hotkeys make it easy to control the computer. Energy Saving: Both the keyboard and the Mouse requires two AAA battery (Package does not contain batteries), In the absence of an operation, the keyboard will go into sleep mode after 10 minutes to save energy, just press any button to wake it up. Silent Clicks: Noiseless mouse clicks and keyboard strokes, get the job done without annoying anybody else. The mouse has 3 adjustable Dpi levels（600-1000-1200）. Wide compatibility: Support Windows 10, Windows 8, 7, Vista, XP, Chrome OS and Mac OS. Compatible with Windows PC or laptop, Microsoft Surface series and smart TV.