Wide Compatibility & One-Year Warranty? This mouse keyboard is compatible with your PC, desktop computer, laptop, or notebook, and is designed to work with Windows 7/8/10/11/XP/Vista systems. Keyboard and mouse is also available for macOS/iOS/Android/Chrome OS/Linux, but the Fn multimedia keys may not function properly. When you purchase a SHUNJINRUN wireless keyboard and mouse, you are entitled to our one-year RISK-FREE product warranty, which includes free replacement or a full refund. Long Battery Life & Auto Power Saving? This computer mouse and keyboard set features an ultra power-saving design, greatly extending the battery life. The wireless mouse keyboard combo has a smart sleep mode that saves power. The devices will enter deep sleep mode after 10 minutes of inactivity, and you can wake them up by pressing any button or key. Mouse with Invisible Light Design? The wireless mouse features a lightless design without any strong and glaring red light at the bottom. You don’t have to worry about discomfort in your eyes caused by strong light, which is especially friendly for curious kids. High Precision Mouse with 3 Adjustable DPI?The professional Beken RF IC chip provides fantastic user experience with fast response, stable refresh rate, and smooth tracking. The mouse has adjustable DPI levels (1000/1600/2400 DPI) to meet various needs, such as work or learning online. Silent Keyboard and Mouse? All keys on the office keyboard use scissor structure switches, making the keyboard ultra-thin, lightweight, responsive, noise free, and typing soft and comfortable. Silent cordless mouse keyboard fits office, home, library, dormitory, and so on. Never worry about disturbing others to rest while working or playing. Slim & Ergonomic Design?The thin wireless keyboard has 110 keys and accommodates most typing habits while taking up less space than traditional full-sized keyboards. Its ultra-slim and streamlined shape adds a classy and minimalist touch to your small desktop. The ergonomic full size keyboard has a tilt angle for more comfortable typing and improved work efficiency. Calculator Button, Hotkeys and Fn Lock? The keyboard features 12 multimedia hotkeys and 6 commonly used office key combinations to enhance convenience and efficiency for both work and leisure activities. Meanwhile, the Fn lock provides an additional level of convenience. The calculator buttons allow you to quickly open the computer’s calculator program, saving you valuable time. 2.4G Wireless Stable Transmission, Plug & Play? Only one USB receiver is used for both the keyboard and mouse, providing easy installation by simply plugging the receiver into your computer port without the need for any drivers. The advanced 2.4G technology boosts the range up to 33ft, allowing for wireless typing with convenience.