Useful Numeric Keypad: Increase efficiency. Enter the data faster. The Numeric Keypad includes backspace, home, end, tab, set of numbers, set of arrow keys, calculator and screenshot, etc. Multifunctional 34-key Bluetooth numeric keypad is easier at work. The number pad is without difficulty to use. (Micro USB charging cable is included) | Rechargeable and power saving: The number pad is rechargeable, which avoids wasting the battery and is environmentally friendly. If you don't use the number pad for more than 20 minutes, the number pad would be to sleep. If you press any key, the number pad will work again. | Bluetooth 3.0 connection: Bluetooth 3.0 technology provides a cable-free & clutter-free connection, the external 34-keys number Pad extends your existing keyboard. Turn on the numeric keypad and press the pairing button. Then connect the number pad to your laptop wirelessly. After that, the connected devices can pair automatically as long as Bluetooth works and within 10 meter. There is an LED light that shows the condition of the connection. The blue light flashes before the connection. | Perfect design: The ergonomic design and the half-height buttons also help prevent wrist problems. The rubber pads on the bottom is non-slip, which offers optimal comfort and holds the number pad securely in place. | Compatibility: Bluetooth numeric keypad is perfect for smartphone, laptop, Destop and tablet and compatible with Windows, Android, iOS as well OS system and compatible with Windows, Android, iOS and OS system. Note: If used together with an iOS and OS device, the computer key and function keys do not work, but other numeric keys, symbols and ESC, tablature can be used.