??Stable 2.4GHz wireless connection? Plug and play, no need to install any driver or software, the 2-in-1 USB receiver for keyboard and mouse can immediately connect the keyboard and mouse through the USB port of the computer, and provides more Fast connection, the longest operating distance of 8M. (Note: The USB receiver is stored under the keyboard battery cover)The mouse DPI is 1600. ??Ultra-thin and ultra-quiet keyboard? Ultra-thin and ultra-quiet design provides a comfortable typing position and a stress-free user experience. This keyboard is very suitable for office and business use. The light chocolate keys can be typed with just a light click. The response is very sensitive, making you feel a comfortable experience. Typing is thin and non-slip, and can be fixed on your desk Will not slide at will, to ensure you work at ease. ??12 multimedia shortcut keys? F1 ~ F12 keys combined with Fn key can immediately access music, volume control, homepage, email, my computer, my favorites, etc. Greatly save your time! Support PCs, laptops, desktops running Windows systems. ??Power Saving & Service Life?This wireless keyboard will automatically enter sleep mode after no operation for 5 seconds, you can press any key to wake it up. The mouse enters sleep after 15 minutes of no operation. You can wake up immediately by tapping the left and right buttons, which will save the standby power to the greatest extent. The keyboard mouse combo have a life span of 3 million clicks. The keyboard is powered by 2 AAA batteries, and mouse is use 1 AA battery. ??Universal Compatibility and Best Customer Service? Widely compatible with many systems, Windows 7 and above; used with Laptop / Notebook / Desktop / PC / Computer. For all jelly comb products, we provide a 30-day free return and a 12-month warranty. If you have any questions, please feel free to contact us, we will contact you within 24 hours.