Easy to Use: Using 2.4 GHz Wireless technology, plug and play, no device drivers, signal transmission stability, almost no delay, the maximum working range up to 33ft. | Full-Size 19 Keys Keypad: Professional 19 full-size and concave keys design for accounting files or financial applications, including the "00" key, can comfortably input and increase productivity with the number pad. | Humanization Design: Built-in USB receiver storage space in the mouse, do not worry it will be lost. NOTE: Just one USB port to connect the number pad and mouse. | Power Saving: Add a power switch button on the mouse. It enters into sleep mode automatically, energy saving, extended battery life. ( AAA battery is not included. ) | Compatible: Works with Windows XP/Vista/7/8/10 systems & Mac system. NOTE: This numeric keypad is not fully compatible with Mac OS X. Function keys do not work, while numeric part works fine.

✔2.4GHz WIRELESS CONNECTION: This number pad uses latest 2.4GHz wireless technology, Plug and Play, Easy to Use！You can just plug the receiver into a USB port and start crunching numbers right away. Our 2.4 GHz signal is very stable and reliable, No device drivers needed, no delays and dropouts, fast data transmission, and it has up to 33FT working range. 【Built-in USB receiver storage space in battery compartment of the keyboard,do not worry it will be lost !】 | ✔ MULTI-FUNCTION 28-KEYS NUMBER PAD : Full-sized 28 keys with Numlock, Delete, Tab & More; Use the wireless keypad with 28 function keys including backspace, home, end, tab and more to assist in accounting tasks, excel spreadsheets, and more to expand your existing keyboard. | ✔ WIDE COMPATIBILITY: Compatible with Android Windows 2000/ Me/ 98/ XP /Vista/ 7/ 8/10 system. 【NOTE: This number pad is NOT completely compatible with Macbook OS system and Apple iOS system; Calculator Key and Functional Keys(home, end, Pgup, PgDn and arrows) cannot work but other number and symbol keys including ESC, Tab work well; NOT compatible with MACBOOK PRO or any other devices which only have a TYPE-C port.】 | ✔ SOFT TOUCH - HIGH-END SCISSOR SWITCHES KEYPAD : Comfortable typing precise control, good resilience fast response and reduce the press sound, Give Quiet Office Operation & Long-Life. Slim design lets you take the Keypad anywhere. | ✔ ERGONOMIC DESIGN : ABS Material, Slim Design Number Pad, this Numeric Keypad is easy to take with you; The ergonomic tilt and the half-height buttons also help prevent wrist problems; Anti-slip pads on back provides optimum comfort and securely keep the keypad in place. Power Supply by 2* AAA Battery (not included)