Lefon Wireless Numeric Keypad and Mouse Numeric Keyboard and Mouse 18 USB Wireless Number USB Receiver Included Set, 2.4G Set, Keys, Compact,

2.4GHz Wireless Transmission: This 2.4GHz wireless numeric keypad provides stable communication and comfortable operation with a range of up to 10m. The durable keys can withstand up to 5 million keystrokes. Ergonomic Design: Ergonomically angled design helps prevent wrist strain, ideal for working with accounting files and financial applications. Easy to Use: Simply insert the device into your computer's USB port and press the Num Lock key to begin using it. It will enter sleep mode to save energy if no operation is performed within 10 minutes. (Note: The USB receiver is stored in the keyboard slot on the back.) [Small and convenient] Lightweight and easy to carry. Ultra-thin design, lightweight and fits easily into your everyday bag. [Compatibility] Compatible with Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10, Windows 2003, etc. If you have any questions after purchase, please feel free to contact us.