[Plug and Play] Simple and convenient, suitable for all computers with USB interface, simple and convenient | [Small and Portable] Lightweight and compact design: 18-key wired numeric keypad, inclined design to prevent accidental water leakage. | [Stable Use without Sliding] The non-slip foot pad greatly protects the keyboard from sliding, and the keystroke life is up to 5 million times. | [Ergonomic Design] Fits your fingers and wrists, effectively reducing fatigue caused by long-term and high-intensity work. | [Auto Sleep] Supports automatic sleep mode, no power button is needed, and the LED indicator lights up when the device is ready to input data.