Plug and Play, 2-in-1 USB Connection: The wireless mouse and keyboard pair share a USB nano receiver, so there's no need to take up extra USB ports. Plug and play is quick and requires no drivers. (Note: 1. There is no Arabic on this English keyboard. 2. There is no 1AA battery included. Reliable 2.4G Wireless Connection, Strong 15M Range Even in the busiest wireless environments, cutting-edge 2.4GHz wireless technology offers a strong and dependable connection up to 10M with almost no delays or dropouts. Ergonomic Keyboard and Mouse for All-Day Comfort】: The palm rest's improved ergonomic design allows you to type and click in a natural, stress-free hand position, avoiding wrist fatigue. enables you to work comfortably throughout the day. Noiseless Clicking and Typing, Quiet Playing and Working The office that is wireless