Is your numeric keypad not working properly, or are you having problems using it? Please follow these steps: 1. Check if the numeric keypad is connected. 2. Check if the numeric keypad is powered. 3. Replace the plug with another USB port. 4. Restart the computer within 10 meters. Colour:Black Material:plastic Package Contents: 1 x Wireless Numeric Keyboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. [Silent Numeric Keyboard]Scissor-type key module, good silent effect, fast response speed. Relieve and reduce work pressure, improve work efficiency. Provide a comfortable and quiet office environment. Ergonomic 1 5° tilt design. It is very suitable for spreadsheet workers, accountants and financial personnel, programmers. The numeric keypad is compatible with 11 /10/8/7/XP computers and the latest systems. Note: The numeric keypad only supports . Some key functions do not work on systems!! [2.4GHz Wireless Numeric Keypad Rechargeable]Numeric keypad with built-in rechargeable lithium battery. This numeric keypad is designed with the latest 2.4GHz wireless technology, plug and play, no delay and interference, fast data transmission speed, and wireless receiving range up to 33TF/10M. [Multi-function 26-key keyboard]Use Fn key for combination and function. You can input three currency symbols, "$, €, ¥", which is convenient for the staff of the Finance Department. It also has "NumLock, ESC, Delete" functions and computer calculator startup shortcut keys.