Feature: 1. Plug and Play: The wireless numeric keyboard and mouse combo uses the latest 2.4GHz wireless technology, plug and play. 2. Portable Design: Ultra thin and wireless capabilities give you a great option to travel anywhere using your laptop's numeric keypad. 3. Driver Free: Mouse and keyboard share one USB receiver. Do not occupy another USB port. The USB receiver plugs into the battery compartment of the numeric keypad. 4. Convenient Operation Mouse: High DPI 1200 Responsive Mouse provides one touch flexible point. Reliable quality, tested with up to 10 million hits. Improve your productivity, whether at home or in the office. 5. Universal Compatibility: USB Wireless Numeric Keyboard and Mouse Works with Laptop, PC, Desktop, Notebook. Compatible with for Windows 2000 / XP / Vista / 7/8/10 operating systems. Note: It is not fully compatible with the for IOS laptop operating system. The function keys don't work, while the number keys partially work fine. Specification: Item Type: Numeric Keypad Product Material: ABS Keyboard Size: Approx.13.6 x 9.2cm / 5.4 x 3.6in Mouse Size: Approx.11.5 x 5.5 x 2cm / 4.5 x 2.2 x 0.8in Colour: Black Battery: Mouse: AAA x 2 (Battery Not Included), Keyboard: AAA x 1 (Battery Not Included) Wireless Transmission Frequency: 2.4GHz Interface: USB Number Of Keyboard Keys: 18 Keys Operating Distance: Approx.10m / 10.9yd Photoelectric Resolution: 1200dpi. Package List: 1 x Mouse1 x Keyboard1 x Receiver