Feature:1. [21 Key] Expand your desktop, 21 key mechanical numeric keypad is suitable for laptop users, banks, financial securities, business people or other keyboards without numeric parts. Small and light, it is convenient for you to take it with you.2. [Stepped Keycap] Ergonomic design, stepped keycap, easy to fit your hands and prevent fatigue. Spring type ergonomic design, care for your wrist. Suitable for PCs and desktop computers with for Windows 2000 / XP / Vista / 7/8 / 10, for Android, for Linux, for IOS.3. [Fadeless] Ultra durable, guarantees 50 million keystrokes, and the key characters will never fade. The ABS structure can stand the test of harsh conditions.4. [Mechanical] Mechanical blue switch, professional mechanical blue switch, with tactile and click sound, providing fast and accurate keystrokes.5. [No Driver Required] Plug and play, no driver required, USB Type C interface. Support NumLock, ESC, Tab, Delete, etc.Specification:Item Type: Wired KeyboardMaterial: ABSBrand: For MOTOSPEEDModel: K23Colour: BlackFunction: Numeric KeyboardScope of Application: Computer, Etc.Operating Life: 50 Million TimesData Line Length: Approx. 1.5meter / 1.6ydUse Maximum Current: 100mAInterface Type: USBConnection with Computer: WiredOperating System: For WIN2000/XP/VISTA/WIN7/WIN8/WIN10, Etc.Ergonomics: SupportKeyboard Type: High Keycap Ladder DesignNumber of Word Keys: 21 Keys, Using 2 Color Keycap Technology.Package List:1 x Keyboard1 x User Manual1 x Power Cord1 x Rubber Sleeve