Rock Pow Wireless Numeric Keypad + Thin Wireless Mouse + 2.4G Wireless USB Receiver

great for those working on spreadsheets, accounting files or financial applications.

This sturdy number pad is easy to take with you, so you can work confidently and quickly-wherever and where.

If the product cannot be used, it can be checked as follows:

Step 1: You can reinsert the USB port to check whether the interface is normal. Step 2: Restart the computer and let the computer find the device again; Step 3: Replacement method, to another computer to try to use it normally;