Ergonomic Wireless Keyboard Mouse Combo — HUO JI Full-sized wireless keyboard is ergonomically designed with Palm Rest and folding holder that can keep it at an optimum slope，prevent your wrists from hurting while long sessions of typing. Keyboard is also designed with anti-slide pads so it will stay in place when you're typing quickly. Stable 2.4G Wireless Plug and play — Simply connect wireless keyboard and mouse with a USB receiver (INCLUDED in mouse’s battery compartment), for saving USB port of your computer. No delays or dropouts. Allows reliable wireless connection up to 10 meters(33 ft) without any driver. Auto Sleep & Power Saving — The mouse and keyboard feature automatic sleep function, when you stop using them for more than 10 minutes, they will go into sleep mode to save power and you can click any button to activate them, the battery life up to 12 months. The keyboard is powered by 1 AAA battery, and the wireless mouse is powered by 1 AA battery (Batteries Included) Wireless Optical Mouse — Optical design, even on some smooth surfaces, precise control can be obtained. DPI: 1200 Universal Compatibility — This wireless keyboard and mice combo compatible with windows XP/Vista/7/8/10/11/X, Mac and other operating system. Works well with desktops, Chrome-book, PC, Laptop, Computer and more. Note: Some shortcuts are not fully compatible with the Mac system CQ068