Plug and Play: No driver installation is required. The keyboard is connected via the provided USB receiver (hidden in the battery compartment), which is very convenient to use.Scientific and reasonable design-Adopting a 15 tilt angle design, it provides you with a more comfortable wearing experience and improves your wrist health. There are anti-skid pads on the four corners of the base to prevent the keyboard from slipping when in use.18-key numeric keypad-Use the 18-key numeric keypad to expand your current keyboard, which is ideal for data entry and spreadsheets.Compatibility-This 18-key keyboard extension is widely compatible with Windows systems, such as Windows 7/8/10/11/Vista/XP, Linux (not fully compatible with iOS)Ultra-thin and lightweight design-portable size: keyboard size: 8.412.53cm, mouse: 610.52cm, ultra-lightweight and easy to carry with you.