WIDE RANGE OF APPLICATIONS: Suitable for all kinds of laptops, desktop computers, etc. Suitable for Windows 2000, Windows Millennium Edition, Windows XP, Windows 7 / 8 / 9 / 10, LINUX, Android, IOS, etc. SUPERB DURABILITY: Guaranteed 50 million keystrokes and key characters that never fade. Aluminium alloy and ABS construction stands up to harsh conditions. Gold-plated interface and magnetic ring can ensure data transmission stability to a great extent. ERGONOMIC DESIGN: USB receiver fits the average hand and prevents wrist strain. It is the perfect bookkeepers working on Excel, teachers entering grades, office workers entering data, etc. LIGHTWEIGHT AND COMPACT: Slim design and travel-friendly features make it easy to carry. Fits conveniently in a briefcase or laptop bag, providing greater comfort and ease of digital use. PLUG AND PLAY: Numeric keypad has been designed to make entering large amounts of data easier and to help simplify the entry of large amounts of data. USB interface for easy installation and use. Plug and play, no driver installation required.