Multi-function 26-key keyboard with Fn key for combination and function keys. Input three currency symbols: "$", "€", "¥". Includes NumLock, ESC, Delete, and calculator startup shortcut keys. 2.4GHz wireless numeric keypad with built-in rechargeable lithium battery. Plug-and-play design with no delay or interference, fast data transmission, and wireless range up to 10 meters. Silent scissor-switch key mechanism for quiet operation and fast response. Ergonomic 15° tilt design for comfort during extended use. Suitable for spreadsheet users, accountants, financial professionals, and programmers. Compatible with Windows 11, 10, 8, 7, and XP. Not compatible with macOS. Troubleshooting tips: 1. Check if the keypad is connected. 2. Check if the keypad is powered. 3. Try a different USB port. 4. Restart the computer within 10 meters. Color: Black Material: Plastic Package Contents: 1 x Wireless Numeric Keyboard