2.4GHZ WIRELESS: The numeric keypad adopts 2.4GHz wireless technology, plug and play, no need for device drivers, so you can use it with confidence. The USB mouse digital keypad ensures stable signal transmission. It is a digital keyboard without delay, and the effective transmission distance is 10m | 22-KEY NUMERIC KEYPAD: The numeric keypad supports NumLock, ESC, Tab, Delete, etc., and can directly open the computer calculator with shortcut keys. Versatile 22-key wireless external numeric keypad for laptops is more unique than most keyboards | SOFT TOUCH: Comfortable typing with precise control, good elasticity for quick response and reduced key-press sound, keep your office quiet and improve work efficiency. Inclined design conforms to human habits, ideal for spreadsheet workers, accountants and financial personnel | WIDE COMPATIBILITY: The wireless digital keyboard and mouse combo is suitable for laptops, PCs, desktops, laptops. Numpad Mouse Combo Compatible with Android Tablet, Linux, Win XP, Win Vista, Win 7, Win 8 and Win 10 Series | WIDE RANGE OF APPLICATIONS: Wireless digital keyboard and mouse combo plug and play, easy to use, suitable for home, office, bank, school, company, accounting firm, Internet cafe and other places where you need to use laptop, desktop, PC