[Easy Installation]: Get started easily by simply plugging the receiver into a USB port and start typing numbers immediately. No drivers required. The keys are light and quiet to press, significantly boosting your productivity. [Quiet Soft Touch]: Integrated ergonomic tilt provides extra comfort, helping to reduce strain, perfect for those working with spreadsheets, accounting files, or financial applications. [ADVANCED 2.4 GHz WIRELESS]: Enjoy the reliability of a cord plus wireless convenience and freedom, fast data transmission, virtually no delays or interruptions. Allows the keypad to operate up to 10 meters from the receiver by creating a wireless workspace with a standard USB interface. [User-Friendly]: Battery indicator light lets you know when the keypad's AAA battery is running low. Conveniently placed directional control keys can be used as joystick controls, allowing you to feel the thrill of playing games with a wireless device. [Compatibility]: Works with PCs and desktops that have Windows 2000/XP/Vista/7/8/10 operating systems. The numeric keypad is not fully compatible with the system. (Function keys do not work, while number keys do. As it does not support external keyboards with function keys) Color: Black Material: Plastic Size: 14x86x2cm Package Contents: 1 x Wireless Keyboard 1 x Receiver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.