This product features a genuine silent design, making it ideal for use in public facilities, conference rooms, and during times when noise is a concern. Silent Design: Silicone rubber is used for the keycaps, and silent switches are used for the mouse buttons, significantly reducing typing and clicking noise. Compact: It's a compact size despite having a numeric keypad. Supported OS: Compatible with Windows, Chrome OS, and macOS. Slim Keys: The 1.4mm key stroke slim keys enable fast input.