Microsoft Keypad - Wireless Connectivity - Glacier - Scissors Keyswitch - Bluetooth - 5 - 10 m - 2.40 GHz - PC - CR2032 Battery Size Supported Smart, compact numeric input If you work with numbers all the time, Microsoft Number Pad gives you the dedicated number pad you need for better, faster input. Amplify your productivity Speed through tasks with easy numeric input and integrated calculator key. Connect up to three devices And enjoy the convenience of switching seamlessly between them. Work from anywhere With long battery life up to 24 months2 and wireless Bluetooth® 5.0 connection. Convenient customization Add frequently used symbols and more complex, app-specific macros to be more productive.