【2.4G Wireless Number Pad】Mature 2.4G wireless connection technology, providing 10M ultra-long effective connection distance, ultra-low latency and excellent connection stability.The receiver on the back of the keyboard,play and plug. | 【Easy Toggle between Mac&Windows】Through the operating system switch on the bottom of the number keypad, you can switch some key functions of the keypad to match the operating system of the connected computer.It's versatile with the ability to customize F13-F15 keys for Mac users. | 【Hot Swappable Gateron Red Switches】Hot-swap PCB allows you to replace 3 pins/5 pins switches freely without a soldering issue. Adopted with high quality Gateron red switches, the mechanical numpad could bring you a quieter and smoother typing experience. | 【34 Keys Numeric Keypad】If you need an external keypad for a laptop, this is an ideal solution. It gives you all the extra keys from an extended keyboard.The Calculator button is a big help when you quickly need to run some numbers. The = and ESC keys are also very helpful when you’re working on Excel inputs. | 【500 mAh Battery】Built-in 500mAh lithium rechargeable battery, long -time use without backlight , you do not have the trouble of frequent charging. Auto-sleep function will automatically sleep state when you do not carry out any operation, just press any key to wake up.Kisnt numpad keyboard is easily recharged through the included USB-C to USB-A charging cable.