✔ MULTI-FUNCTION WIRELESS NUMBER PAD：22-key wireless numeric keypad supports NumLock, ESC, Tab, Backspace, etc. With shortcut key which can open the computer calculator directly. Fully functional 10 keys improve your working speed and accuracy, it is the perfect work equipment you are looking for! | ✔ EASY TO USE, PLUG AND PLAY : Using advanced 2.4GHz wireless technology, the USB number pad will get connected to your computer as soon as you plug the USB receiver into the USB port. Very easy to use, no device drivers needed, no delays and dropouts, fast data transmission, and it has up to 33FT working range. 【The Receiver is inserted in the battery compartment of the keyboard 】 | ✔ SOFT TOUCH & VERY PORTABLE : The wireless number pad is made of HIGH-END SCISSOR SWITCHES and high-quality ABS material of surface ensures very durable, smooth and touch feeling. Comfortable typing precise control, good resilience fast response and reduce the press sound, give quiet office operation & long-life! Portable design make it easy to store in bag for business traveling! | ✔ ERGONOMIC DESIGN & POWER SAVING : Ergonomic tilt fit your hands easily to prevent fatigue. Anti-slip pads on the back provide optimum comfort and securely keep the wireless number pad in place. It also has auto sleep function, lower power consumption, reflect energy saving and humanization of the product. Press any key can wake up the keypad. Power Supply by 2* AAA Battery ( not included ) | ✔ WIDE COMPATIBILITY & LIFETIME WARRANTY : This Acedada wireless number pad works with laptop, notebook, desktop, PC computer etc. Compatible with Windows 2000 / XP / Vista / 7 / 8 /10 operating systems. 【NOTE: The wireless 10-key numeric keypad is NOT compatible with ChromeBook. And on MacBook OS system the function keys don't work while the number part 10 keys work fine】We promise a life-time money back or free new replacement guarantee if you have any question!