Satechi Aluminum Bluetooth Wireless 26-Key Smart Keypad and Calculator Keyboard Extension - Compatible with 2017 iMac, MacBook Pro, MacBook, iPad, iPhone, Dell, Lenovo and more USE IN KEYPAD MODE - extend your existing keyboard with a wireless numeric keypad for quick typing and data entry SWITCH TO CALC MODE - use as a stand-alone calculator, with a single press of a button! Features 8 calculator function keys for maximum functionality BLUETOOTH CONNECTION - enjoy wireless Bluetooth connection for data entry on-the-go, easily pairs with your iPad or MacBook without occupying an USB port LARGE LCD DISPLAY - equipped with a large, easy to read 12-digit LCD display COMPATIBILTY - supports Bluetooth-enabled MacOS, iOS and PC devices. Chrome OS is not supported. See below for Windows 10 pairing process