Designed for typing victsing chiclet wireless keyboard is designed with a slightly depressed water-drop key cap at a proper height, which will make your typing more comfortable, accurate and instantly responsive without letters intermittently disappearing on the screen. 12 shortcuts and 105 keys layout tactical keys are ergonomically arranged for faster and more convenient typing, each key is independently and Appropriately spaced to prevent hitting the wrong key simultaneously, and there are also 12 hotkeys combined with FN to improve working efficiency. Noiseless mouse exceptionally silent without annoying clicking, click freely no matter you are in the Library and at home. The silent Cordless mouse constructed with infrared Optical engine to provide great sensitivity glides smoothly and precisely without any skipping issues for its cursor movement. 2. 4GHz strong wireless connection adopted 2. 4GHz wireless technology for signal transmission, The connectivity between the Nano receiver and the keyboard Mouse combo is very stable without sporadically dropping their connection, and it's also easy to wake up them once they go in sleep. Easy to use and wide compatibility Nano receiver and then manipulate the devices according to the instructions. It's universally compatible with Windows 2000/ME/XP//7/8/10, Vista, Mac, etc., and the wireless distance of 10 M/ 32. 8 ft. Is also enough Long for your day-to-day tasks and activities.