??Silent Keyboard and Mouse Combo?: This cordless keyboard and mouse combo provides extremely whisper typing and clicking so that you don't need to worry about disturbing others, whenever you are at work or meeting, in the library, at coffee or at home. Note: Wireless keyboard is powered by 2 AAA batteries and wireless mouse is powered by 1 AA battery (batteries are not included). ??Full-Size Keyboard and Mouse Set?: Standard US keyboard layout (QWERTY) with a number pad and num lock/caps lock/power indicator. With 12 multimedia combination keys, it helps you play music, watch movies, browse the web, open emails etc in an efficient way. ??Comfortable Typing?: Built-in stand at back of this computer keyboard makes the keyboard sitting naturally in a comfortable typing angle. Adjustable 800/1200/1600 DPI of the wireless mouse provides you a flexible choice of sensitivity. Ergonomic slightly depressed water-drop design on the key cap gives you soft clicking, making your typing more accurate and comfortable. ??Stable and Hassle-Free Connection?: Wireless keyboard and mouse combo uses a powerful wireless connection up to 10m (33ft) without any delay. Just one USB receiver (stored inside the mouse) can connect the keyboard and mouse at the same time. You don't need to install any other software. Simply plug it into your computer USB port and then play! ??Compatibility System?: Wireless keyboard and mouse combo is compatible with Windows 2000 / ME/XP/Vista / 7/8/10, Mac systerms. Compatible with desktops, Chromebooks, PCs, laptops, computers, etc. ***Note: Shortcuts are not available on Mac systems.